I think it is because compared to other coins, bitcoin is the battle hardened veteran. When cripto has hit the news in the last few years the one peaple talk about is bitcoin. Sure, it is no longer the greatest in terms of tech but think about the state of the market, lots of peaple are new and are only aware of the surface level.
Will this happen? No idea, but it is worth considering.
He gets into it better here:
and here