Even for fiat to get transferred certain percentage of the amount has to be given as commission(not transaction charge) and a intermediating firm is required. Such are not required in bitcoin for small as well large transaction
But there are transactions fees for
BTCAnd on the long term these have to carry the whole mining infrastructure, which is at the current moment just absurd.
Expecting the mining aspect of
BTC will loose some weight over the next following years.
The advantage stays on long distant transfers and perhaps bridging ideological systemical borders, where those still do apply.