One of the biggest reasons voters rejected Rent Control is that it would have ended all affordable housing to be built in the state and increase a housing shortage. So, the people you are trying to help would be harmed by not having a place to live in the first place. Other potential problems are numerous like dropping rental properties value by 10% to 25% because foreign investors and out of state investors wouldn't be interested in properties that were rent controlled in the first place to buy. So, the problems you are trying to solve wouldn't be solved and not only that you would create 10 or 100 times more problems for the people you wanted to help and you would also be harming investors in rental property (wherever they live on earth) from investing in California rental properties
Begin quote from:
California voters reject Proposition 10 - Los Angeles Times
2 hours ago - California voters reject Proposition 10. California voters have decisively rejected Proposition 10 on Tuesday, an initiative that would have expanded rent control across the state. ... The campaign to expand rent control was pitched to voters as California renters continue to face pressure from rising housing costs.