While I can agree on the first part, I don't see the forced mate here
An exemple of how stupid chess.com engine can be
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By forced mate, I mean everyone knows how to win this up a rook, the engine doesn't ?
I was playing Nelson bot and reached that position:
So promoting to a queen is a mistake (eval = +6,91), underpromote to rook is best (eval = +57,0) ! What a joke ! Black rook has to take anyway if he wants to "survive". Plus the engine couldn't find a forced mate for white when I can, even with my low elo rating.