Is Queens Gambit really good???

In this position we see white taking the middle and gaining space by sacrificing his pawn, Why do we do that??? 

You see... When u have more pawns in the middle, u can easily attack knights and protect ur pawns, also you could easily take C6 because black can almost do nothing about E4 and BxC4

In this position, we are gaining space and attacking the C6 pawn! Also, we are defending the D4 pawn twice, See? What can black do to stop the bishop from taking the pawn back???

I think Be6 is the best move here... It is defending the pawn and developing a piece, the Best move for black!!! Or they don't even need to defend the pawn... They can just develop.

BUT if black does want to defend the pawn, Be6 would be the best move... But wait! Black is still in danger!!! White had way more pieces that can threaten the pawn!!!

See??? Once a pawn is over the border at the beginning of a chess game... it's hard to defend...

Now we have seen why Queens gambit is so good... Let's find some ways to DECLINE the gambit!!!

Now both sides r equal!!! In my opinion, this is the best way to decline the queen's gambit...

Lets take a look at 1 more way to decline the gambit!!!

Decent position, but I think white has the advantage because his pieces are more centralized...

THATS IT!!! I HOPE U ENJOYED THIS LOL xD... aight ima head out.