It's pretty rare even in extremely high property tax counties like Cook and DuPage here in Illinois.
Yes this means folks will have to move, but again as cities grow and shape themselves, is it even the same place people have in mind that they started in?
May be my attitude is colored by my immigrant status though - I was willing to pack up and move, so trying to understand what makes people sticky.
I mean, Prop 13 passed specifically because seniors were losing their homes. But in this case the cure was worse than the disease.
Paying $5k-10k every year perpetually just seems outrageous to me. (I don't make a silicon valley wage)