When I've had storage units and spent time there, and saw open doors and what people had in theirs, I stand by my take.
The whole point of the article posted above was that it's a bit weird how numerous and prevalent self-storage has gotten in the US.
Aka, trash by proxy.
Best to look up what people actually need. There is a lot of this junk we collect that just gets junked by the donation groups turning into a cost center.
If you move often enough within a small radius, you will highly value your storage unit. It's not necessarily just a place for junk. Many people rotate their things when their apartment lease is up or even seasonally. If you live near water, you might even store a boat. Many facilities also offer RV storage. Personally, when I had roommates I would keep my most important stuff in there instead of at home.
The attacks against storage units are engagement bait for nerds about a non-story.
It happened with crypto and it happened with AI. Now that we're back to the usual boring topics it's happening to the most random trivia.
Basically any opinion from the top 100 youtubers will be parroted here on HN. In the past few years, it's been a whole lot of urban planning stuff because of the changes in the real estate market.