There are a many flash games I'd like to play after 2020, and many of the developers forgot about the games they made and won't migrate. It's okay to stop supporting it, but its NOT okay to prevent people from accessing content made with it. How would you feel if the government decided to destroy everyone's SNES, PS1... just because they're old?
That won't happen because the browsers won't let you use Flash Player.
Thanks for the feedback.
For completeness, here's the original announcement from 2017, and the consumer FAQ: