A bit of regulation might not be a bad thing.
For real world use, on larger transactions especially, people need a currency that can be tracked and trusted.
If someone is scammed, to think there is a chance of getting their money back.
This you said above and taxing are the only thing I see any form of regulation or control achieving.Otherwise, nothing else.
On the contrary, bitcoin and the crypto world in their manner of operation has taken away the government based security on financial matters and transferred it to individual based where one becomes responsible for their pin, security etc