So, a senior citizen in one of the western countries makes a complaint that he preferred the 1950s when everything made sense and life was simple. He loves the analog times more than the digital. Despite this, he trusts Bitcoin self-custody, and that is the reason why he holds bitcoin. He complains that his bitcoin just sits in his hard wallet, and he doesn't even know what to do with it. According to him, his fear is that if he sells it during the next bull run, he will be taxed, and he doesn't want that. A question arises: Would taxes still be applicable if a time comes when exchanging bitcoin for fiat is no longer necessary?
The scenario is BTC -> fiat, so I reckon there will always be taxes involved there. In the first place isn't everything he buys and pays for have taxes already involved in them? I don't think adding one more to the pot would be that much of a problem for him.
If there's no need for the conversion to happen, and in essence means that crypto is globally accepted and globally used now, taxes would probably still exist, but not for the conversion but rather taxes like what we have right now. I hardly doubt government accepting crypto payments as a possible method would allow it to bypass tax in the first place, heck they might even impose larger tax in comparison to fiat (or cbdc or whatever they have by then).