Do you want to invest tens of millions of dollars into building an apartment with zero expectations of making a return? If there's no profit to be made in building housing, why would anyone want to build housing? This line of thinking is what leads to situations like San Francisco, where price controls on housing lead to few developers willing to build there.
If it's proven that landlords colluded to fix prices, that should be addressed. But the reality is, prices are only going up in a select few metros. And it's because lots of people want to live in those areas, which leads to rising demand which has not been satisfied by new housing construction. People desperately want to believe that there's a silver bullet that will bring prices down without actually addressing the mismatch between supply and demand.
If it's proven that landlords colluded to fix prices, that should be addressed. But the reality is, prices are only going up in a select few metros. And it's because lots of people want to live in those areas, which leads to rising demand which has not been satisfied by new housing construction. People desperately want to believe that there's a silver bullet that will bring prices down without actually addressing the mismatch between supply and demand.