The top ten most traded collections last week are all knockoff cryptopunks (ranked 17), which itself is bulk-generated crap from a combination of templates.
The one exception I can think of is a bug in the mssql datetime type (but not date or datetime2) where strings in that format are assumed to be yyyy-dd-mm if the locale dateformat is dmy (e.g. British English).
The next natural step in that direction would be banning all exchanges from banking in hard money.
It would push people to p2p, at the expense of cryptocurrency prices. Big win for the environment and people hoping to use crypto as currency. Big loss for people holding for speculative gains.
51% just doesn't feel like a meaningful threat model when governments can instead prevent exchanges offering monero pairs from accessing banking services in their country/currency.
The other thing about mining is the their costs are in hard currency, so there's not much opportunity to "hodl".
Those mined coins need to be sold once the electricity bill is due, so to maintain a stable price bitcoin needs an ongoing net dollar investment proportionate to the current price (taking halvings into account).
It's hard to imagine a more cynical industry.