Sure people would watch that. Especially if some people got help and turned around. Hoarders, intervention, M600L, my strange addiction, love on the spectrum, wife swap to some extent etc etc etc all have similar themes and have huge viewerships. They are not mean spirited, though they are not super intellectual, and show different aspects of the human condition and humanize the people in those situations.
If anything, at least if you watch a show like m600L you can see how under the weight there is a real person with deep trauma, instead of just thinking “Look at this guy who can’t put down the fork”.
There are better things on TV for sure, but had OP said GoT the top comment would be parallel universe you saying something about it being just gore, sex, and revenge porn, or Sopranos and someone saying it’s a wholesale misrepresentation of Italian Americans, or breaking bad being about glorification of drugs and reckless lifestyle. Maybe we should all just read instead.