The HDD mining hype was riding on the back of Bitcoin mining "consuming" a lot of energy and leading to climate change, as soon as that noise faded off, so did Chia and all the other so-called green coins
The initial price which was $1,500 fooled people into thinking mining the coin was so profitable, only for the continuous dump to happen. I don't think the coin will ever be worth anywhere near $1,500 again, even if it survives through the crypto winter