Just stick with tron ass as long as you one. Look at gold. It has no utility compare to other assets but still the most valuable investment in the world. Why? Because they do not give a damn about how heavy and disadvantages it is, they care about the price, the reputation which makes the price of gold increase over and over.
Therefore, as bitcoin becomes famous, the transaction fee is just a small aspect of bitcoin. I also believe that people will soon add new features and upgrades on the bitcoin blockchain so that in the future, it will become stronger