It's hard to tell whether you're presenting this as worse or better than the current situation.
The regulations have the effect of picking winners and losers, and since the regulations were written by the old established homeowners they were the ultimate winners. If young people and renters want to see change in their lifetime they need to start getting themselves elected to local boards and councils. Local politics matter.
Also, its hard to get elected to local government in places you don't live in.
The retirees could sell their property to developers for millions. The losers would be those who want to continue living there, but are taxed or zoned out of their homes. See "gentrification" and "regulatory taking".