Am I underestimating how "safe" the King's Indian setup is?

I've lost many 5-minute blitz games where my King's Indian Defense is getting hard countered by some very early, very aggressive opposite-side castling from White. The play seems to be a quick Be3-Qe2-Bh6 Bishop exchange attempt, followed by h4-h5 marching down the board. I'm pretty sure White doesn't even bother getting the g1 Knight out... This pawnstorm always seems a lot more straightforward and faster than my own that has to go through a6-b5-Rb1.

I've read tips that in blitz, you want openings that are more "setup" based so you can play the first 10 moves in 5 seconds, no thinking time needed. But this rushed pawnstorm from White makes me feel like the KID is more for a 15-minute opening weapon and shouldn't be for a 5-minute one...

Am I missing something? I can play the Czech Pirc fine in 5-minute time controls.

KID requires accurate play, so perhaps it isn't well suited for Blitz.

I don't play Blitz, so I do play KID.

круто

There's no reason to premovw your opening in a blitz match. You have plenty of time to ensure that you are making sound moves against kingside attacks.

@1
"Am I underestimating how "safe" the King's Indian setup is?"
++ King's Indian Defence is not safe at all.
'Kings Indian Defence is riskier for black than King's Gambit for white' - Bronstein
King's Indian Defence is suitable to play for a win with black at greater risk of losing.

"I've lost many 5-minute blitz games where my King's Indian Defense is getting hard countered by some very early, very aggressive opposite-side castling from White."
++ There are adequate defences to that.
The problem with the King's Indian Defence is the Bayonet Attack of the Mar del Plata variation.

"I've read tips that in blitz, you want openings that are more "setup" based"
++ No. You have to think, but faster.

"so you can play the first 10 moves in 5 seconds"
++ No. In a 5|0 game you have 300 seconds. A game is usually over in 60 moves. So you have average 5 seconds per move. You do not flag because you think in the opening, but because you cogitate over 5 seconds in the middle game or the endgame.

"the KID is more for a 15-minute opening weapon and shouldn't be for a 5-minute one..."
++ No, on the contrary. Fischer used the King's Indian Defence to win the 5|0 blitz tournament at Herceg Novi 1970, but did not dare to play the King's Indian Defence in classical games against Botvinnik, Taimanov, Petrosian, or Spassky.
Here is a blitz game annotated by Fischer himself
https://www.chessgames.com/perl/chessgame?gid=1044673 

Obviously, a single tempo might be decisive in these setups, so there isn't much room for inaccuracies. In case you are interested: There is a good, but pretty old game collection book by Gufeld on the KID. And I believe half of "Zurich 1953" revolves around KID games...

The King's Indian Defense is a solid opening, but it can also be a bit risky and require precision as others have mentioned. It sounds like one problem you have is trying to launch a pawn storm without regards to the center; usually opposite-sides castling sparks an immediate pawn storm from both sides, but in many lines (as you found out with experience), white's pawn storm comes quicker on the kingside.

I don't play the King's Indian Defense as black usually, so take my advice with that in mind. I think you should (as black) instead be playing to fight for the center. Utilize pawn breaks like the thematic ...f5 to attack the e4 pawn in the center. If white goes for h4, then black will need to play ...h5 in many cases to prevent white from playing h4-h5 themselves and trying to rip things open via a capture on g6.

Most people don't recognize that the King's Indian Defense is a Hypermodern Opening. Many don't even know what a Hypermodern Opening is. This video should help (the King's Indian Defense is one of my examples in the video).

:P :thinker

Standard attack to a fianchettod castled position. Happens in the Sicilian dragon as well as KIA. You just need to have a set of plans against it as this is a known attack to you. Maybe study some GM games in the data base with similar positons and see what plans get used.