Long back many claimed that bitcoin is having less transaction fees. How the heck? Bitcoin is only for transacting bulk amount from one country to another. More alt coins are getting used for day to day transaction due to low fees. Hope the same would happen with bitcoin also. Bitcoin have evolved as an assets instead of transaction currency. people love to hold it as an asset instead of suing as currency.
For transaction fees, maybe I can't conclude correctly because I haven't done anything with bitcoin for a long time, but if this was true in the past, as is the case with Ethereum, which is now busy because the gas fee is quite high so those who use it for transactions really object to bitcoin also changed I can't conclude.
clearly altcoins are more often used as a means of payment compared to bitcoin because it is clear that the volume of altcoins is bigger and so much that it needs to be used as a means of payment. I agree that bitcoin is already an investment asset and is definitely the same as currency but not the same as fiat.