Absolutely wrong. Haussmann's restructuring of the city was intended to REDUCE overcrowding and darkness due to the narrow alleyways, not to mention illness from the overcrowding. He lowered density, built parks, and then Paris expanded a lot when they absorbed the suburbs in the 1860's. Today Paris is extremely high density, and they're again expanding into the suburbs - look up Grand Paris projects. But the 6 story buildings aren't being demolished to make 30 story buildings like you seem to be suggesting is the thing to t do.
As much as I rail against a soulless place like Houston (with no housing restrictions like in NYC or Cali), I also don't want to turn our cities into Shanghai or New Delhi.
And by the way, what makes you think building more makes housing cheaper? It's not like making widgets in a factory. Gentrification makes things more, not less expensive - have you seen the history of Williamsburg, Brooklyn? Rezoning it turned it into a lux neighborhood with an Apple store, and attracted people from around the world.
There’s no point fighting against known norms in economics now. Induced demand in housing is hogwash: there are a certain number of people who dream of moving to east village and that number doesn’t magically grow if you build more housing. After decades of underbuilding, yes the demand is high, but it’s not infinite. Build out the suburbs too, build good transit, split the difference and the housing prices stabilize.
I was there a few years ago in the summer, and figured I’d go see live music at night, and there just was literally not any to see besides at the megavenues. And surprisingly few bookstores for a city that size. I think it’s possible there are more independent bookstores in New Orleans than in Houston, a much larger and wealthier city.