When Bitcoin will be universally accepted accepted by Government, of course it will be taxed accordingly. Do you think it will still be as in demand as it is right now, that makes its price higher and higher everyday.
Does the bitcoin community is ready for this?
If bitcoin will be taxed, it means that it is under the government. Therefore it is legalize. If this happens, I think that the demand will fall because of additional fee which is the tax. Just imagine if you are going to get your profit but you can't get that completely because of tax.