Traders will always try to pay the minimum possible tax, and if the possibility of claiming a tax exemption is closed if you sell the cryptocurrency for less than its purchase price, traders will try to look for other ways.
In general, no matter how high the taxes are, they will not affect long-term investment because you will pay them once after you have made a good profit, but their impact will be bad for traders and for altcoins, as many will prefer investing instead of trading, and Bitcoin will inevitably be the choice of most investors compared to altcoins.
Your right and i agree with you. One way or the other traders would pay their taxes. If a trader is making a lot of money from trading no amount of taxes that he cant afford to pay. So i dont see adjusting payment of taxes as a big deal, just focus on your trading skills and habits. So that one would be a professional then paying taxes will not bea problem.
Although the OPs idea is for traders who are still coming up, that means if there is a way a trader who feels that the amount he pays for tax is much he should think of this as a good strategy.