It is important to remember that, despite what people say, there has never been a time when bitcoin was untaxed. This makes your argument about using fiat confusing because you will still have to pay tax. Tax and bitcoin are two different topics because whether you use dollars, euros, or carrots, you always owe tax on your gain.
Not all countries have a capital gain tax. Example: the Netherlands, my country of residence, doesn't have it.
We have
many other (high) taxes, just not this one.
There was a time when there was no specific rules rules about bitcoin taxes and bitcoin was under the radar, so hide it and even use it as a way to transfer bitcoin oversea was too easy.
Good time, but looks like regulations bring confidence and higher prices
Those are both good points. I was thinking of the U.S., but liability in any country could range from owing no tax to being barred from even using bitcoin. And it may still be true that no government has the ability to cost effectively pursue crypto users at any scale.
I am happy to pay cap gains because it is a minimal tax normally reserved for the rich. Consider that the money you work your ass of to get through labor is taxed at twice the rate of cap gains.