If it was an option in your country, would you pay your taxes with Bitcoin?
Or would that not make any sense to you at all, especially if you hold BTC as an asset whose value you hope to see increasing over time...?
I personally pay my taxes with EUR and will probably continue to do so even if I can pay with BTC
at this point your question is like saying would you pay your taxes with gold!
bitcoin is more like an investment because of how its price is changing up all the time. and people when seeing this become reluctant to spend their valuable investment.
we need stability first, then regulation and then we think about payment.