Arguements put to one side, surely blunders cannot ne erased from a game that has already been played and you analyse the game to see where, if anything, you went wrong and how the computer shows you alternative moves that you could have played to play like a GM!!! Because how would you know you have made a blunder without this aide?
However, this sustem is flawed. I played a game recently, where I took 10 moves to make my opponent resign. When I analysed the game it showed that I made one mistake, no inaccuracies and no blunders. When analysing the moves and how the game progressed, I noticed that the move that I made and was flagged as a mistake, was also played by the computer. So how can it be a mistake?
I'm sure everyone else can count the number of replies I made. In any event, good luck with your question.
What exactly is your point, PLEASE do not comment if you're not going to talk about chess, or I can report your comments to chess.com staff