It seems that as more discover Chia is not covering costs that new speculators are looking elsewhere. Exiting Chia miners are still hanging on but many will likely abandon the scheme as it is not earning nearly enough.
Prices for hard disks have softened suggesting that a reversal for Chia is possible but over used hard disks are hard to sell.
Chia surfaced in 2017 so in less than 5 years it has started to implode. Recent prices for hard disks have become more available and and prices are lower once again.
FreeNAS has evolved into TrueNAS who got into Chia and earning for 1PB are not hardly even covering the power costs. Even larger scale storage is not solving the problem. In short, Chia is a done deal.