How did white make a blunder when after white made the blunder, white is still winning?

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Avatar of Andrew67275

How??????

https://www.chess.com/analysis/game/live/25429896227?tab=report

Avatar of Andrew67275

The move was 19.Bxf7??

Avatar of tygxc

Bxf7 is no blunder or mistake, because white is winning after it just the same.