This is what I was saying in 2017, and even to this day is it simply not true.
The cost to use BTC is still a couple dollars, which is still low enough for anyone to use.
It might be much more of an issue though after a few years of Blackrock adoption.
Even so the POW consensus algorithm is going to be a valid method of security indefinitely.
It's not a big deal that it can't be used for everyday payments.
Bitcoin is still the best collateral in the world and will remain so for a while.