The state has the guns to outlaw a lot things. Yet many of those products, I can still purchase on the local street corner. Simply having a monopoly on force isn't enough to totally stop trade in some good. Especially when that good is easy to hide, and easy to move. Crypto is pretty much the easiest good to hide and move in the history of mankind.
Citation needed
Bitcoin does not involve encryption, and it's a common mistake by journalists to toss that buzzword in there.
It looks like you need a lot more qubits than the most powerful quantum computer we have now. Also, it's fairly trivial for Bitcoin to adopt a quantum resistant algorithm with consensus.
I think the far larger problem would be every non-quantum resistant encryption on the planet being broken at once.
https://en.m.wikipedia.org/wiki/Elliptic-curve_cryptography#...
Which government exactly would do the outlawing? We're actually seeing the opposite.[1]
[1]https://blog.chainalysis.com/reports/japan-cryptocurrency-re...
That's been said for years since Bitcoin emerged, this is starting to get a little old as Bitcoin survives longer and longer.
Compared to what? You think fiat money has a zero environment footprint?
It also is not secure as China is controlling a majority of the mining now and the majority can control the currency. Further, Google has a computer that can hack the encryption and you will see a lot more organizations have them soon.
It consumes more power than Switzerland. It's bad for the environment.
It's just a bubble and can be popped anytime.
Not to mention that it is just unusable for actual legal transactions on a regular basis.