But you did not respond to the idea that if someone's work caused bad things to happen, then it should be invalidated.
That is directly related to your objection of work being invalided, which is actually not a problem because bad things should be invalidated.
Apple brought back several ports in the new MacBook Pro series after killing them several years ago. This was done in a confident manner under excellent management and public communication.
But I don't see a problem with denouncing bad things that companies have done in the past. If a company caused lots of problems, then it should deserve the condemnation for the bad things that it caused.
It deserves the condemnation because it caused bad things to happen.