That article had gotten a lot of hype and is poorly-researched at best. No way 50% goes unopened.
Boomers who are unaware of the number of young people buying vinyl these days reveal their ignorance with their comments.
And yes, the market for vinyl, like all "collectibles" and home theater, and home gym equipment, skyrocketed with Covid lockdowns...and will come back down to Earth.
And yes, the reissues of everything are overpriced, especially if you live in an area where you can find a lot of good used record stores.
As Boomers die and their wives unload their collections on the market, prices will fall further and only the great stuff will remain in demand. the vast majority will be landfill fodder for lack of demand. Even some "good" stuff.
There's a very strong market for all hip hop on vinyl. Always was always will be. I purge my collection frequently to keep it lean and mean, when a better sounding version comes into my possession, I unload my previous versions... I've had a much easier time selling hip hop classics than Boomer classics.
Market research. Not long-held assumptions. Do your homework.