1. Given the bad press, they may reverse their decision to do this.
2. If they don't about-face, there's a lot about the implementation that remains to be seen.
Personally, I use discord for things that should be completely unaffected by this. I will not verify my age if there are surprises. I'll leave. If the communities I'm a part of decide to move, I'll support them and move even if I don't run into surprises.
There is absolutely no way we should support giving identifying information to a U.S. company given what's going on right now. The trust is no longer there. If you verify your identity, anything you say on Discord could be used against you if you ever pass through American borders.