You're not missing anything. As you can see if you read through the thread, they rely on bitcoin miners being heavily invested into bitcoin and bitcoin equipment, so those people will operate unprofitably to prop up their holdings. It's a moron's economy. A system that relies on externalities and corruption, and produces nothing of value. It's the art market with no art.

If bitcoin miners are smart enough to have anticipated this, and decided not to hold onto bitcoin and just let it drop; and also to have repurposed their equipment, sold it to bigger fools, or have just run it into the ground, none of these ideas make any sense.

Why would they, though? The real answer is that governments and monopolists are propping up bitcoin through simply handing tax money to bitcoin holders, and in the case of the latter (also government tit-suckers) leveraging themselves to pump up bitcoin markets when they are down. I'm sick of humoring this because it was once mildly interesting technically. It's a criminal scheme and everyone involved needs to go to prison. When I hear a politician say the word bitcoin, I'm going to do everything in my power to damage that politician.

I need to buy a service. The service is provided in the US, where it is a grey area service. The service provider is not trustworthy enough to give it my credit card, and it doesn't accept neither paypal nor stripe. Unsurprisingly, it accepts bitcoins.

The way bitcoin exists, the provider accepts bitcoin; it doesn't accept other crypto. I would rather bitcoin, or something equivalent to exist than not.

There is also the case of people who hold value in bitcoin because it is more stable than their banks; go figure. This was the case in Argentina and Venezuela. That was also a gray area, but I think it would morally acceptable to do that even if it was prohibited