Gradually the laws were changed to exempt from controls properties renting for more than $X per month and then renters earning more than $Y per month, so that with modest inflation over time, only a small percentage of rentals is still controlled. (And highly coveted by the way!) In the last decade, without controls on newly-constructed and re-purposed housing, development has reached a pace not seen in 60 years. Rents, while very high by global standards, are once again negotiable, which hasn't been the case in 60+ years.
Agreed. In New York now, you end up now with these ridiculous situations in the older buildings there where some units rent for half or a third as much as similar units in the same buildings. Some kid that everyone thinks is rich has to shell out 1200 a month compared to his neighbor paying 500. It's not always that extreme, but it's common. In those buildings, the landlords don't do much upkeep, especially if they think it will force people out so they can raise the rent. This often works best on the people with high rent, who have the least interest in holding on to the lease, so you see these same units, which can be raised 20% each tenant, go up from 800 to 1200 in a few years, while people shuffle their friends and families in and out of the old lease (everyone, from all different classes and backgrounds, does this). If everyone was paying 700 per unit, there would be neighborhood roll over still, but with enough time to put a kid through school, rather than people moving farther and farther out into the Burroughs, looking for anything they can afford, and completely displacing working people wherever the young and trendy end up aggregating.