Rent control has been shown to be ineffective, and in fact to have the opposite effect instead of what it intends.
In fact most economists acknowledge this. Rent control is a dead concept peddled by leftists who literally don't know basic economics.
https://www.bloomberg.com/opinion/articles/2018-01-18/yup-rent-control-does-more-harm-than-good
https://www.nytimes.com/2018/10/12/business/economy/rent-control-explained.html
And yet economists from both the right and the left are in almost universal agreement that rent control makes housing problems worse in the long run.