Why Do Grandmasters Blunder?

Over the years I’ve noticed that whenever a grandmaster hangs his face, the masses of fake names go berserk and not only berate the unfortunate player but toss sick (and completely ignorant) accusations his way: “He lost on purpose! It’s a fix!” -- Apparently you forgot to take your meds. “He has insulted

Blunder Prone . Imagination, Inspiration and Improvement

Ilkley Chess Club: January 2017 Quiz and Grandmaster Blunder Special - Updated

Top 8 Chess Grandmaster Blunders Of All Time

How is this a blunder?? The computer said that my room was undefended, but my pawn and bishop were protecting it. Any help would be appreciated : r/chessbeginners

Can someone explain why this is a blunder? : r/GothamChess

Computers Still Dominate Human Opponents In Chess : All Tech Considered : NPR

What Is a Blunder in Chess. Explained - Remote Chess Academy

xQc stuns chess Grandmaster Hikaru with epic opening blunder - Dexerto

What is the most famous chess blunder by a Grandmaster? - Quora