The OP is right. More work will be required on the endgame - the tablebases help a lot - but endgame patterns such as "king is cutoff"

are currently difficult to recognize while evaluating millions of moves a second.

No, Magnus identified a flaw in Anand.

Computers don't bluff is what you mean, Spider-Waffle, je pense.

computers have blind spots, but the world championship so far didn't feature any of them

I've said it many times before and I'll say it again: don't trust computer evaluation in chess. Computers are mechanical idiots that lack even the most basic common sense that even animals have.

Komodo sees this as +- at a depth of 18.  Maybe it's Houdini that's the problem.