Sometimes doing something gradually makes sense, but sometimes it would just mean you have to keep continue to fight the same battle.
And maybe this will make China wake up and become more reasonable to come up with a reasonable solution for both countries.
I doubt it. It seems unreasonably sudden to adjust to the changes in my view.
Besides, they know that there is a likely chance that the POTUS will be a Dem in the next election and undo most of these actions anyway. They’ll wait it out.