I've seen so many posts on X about how Bitcoin is doomed, empty mempool, reducing block subsidy, off chain etfs, lowers hash rate, security collapses yada yada yada.
The Adams law of slow moving disasters says that when people can see them coming, economics and society as a force solve them.
Thanks to Naval Ravikant for this gem, where he was actually describing the declining birth rate.
Effectively the answers to how miners deal with a reducing subsidy and potentially reducing transactions may have not even been conceptualised yet, but it will.