Incidentally, while searching for the topic I also found an article[2] from August 2021 with this quote:
> Meanwhile, crypto mining manufacturers like Bitmain and Innosilicon are on track to release new Ethereum mining machines this year, all while knowing that Ethereum’s transition to a PoS network is just five months away, effectively making those machines redundant.
I guess the manufacturers were right.
[1] https://old.reddit.com/r/ethereum/comments/ehpp8m/will_the_m...
[2] https://www.benzinga.com/markets/cryptocurrency/21/08/224855...