It's like these lawmakers don't know what a mill rate is or something. Property assessments are just to determine that people with more real estate wealth pay more of the share of taxes. Remarkably, it's a progressive tax.
I understand that people that have had their houses for decades in a gentrified area get fucked, but that's a problem for a different solution. Most houses change hands often enough that you know you're going to be in a high tax neighborhood or not.