The great aspect of decentralised protocols that do not require trust is that you choose wether you use it in a trustless or trusted manner! You can use the Internet by giving everything to Google but you are not forced to which is great. Bitcoin is the same, you can use an ETF if you trust the system or you can self custody.

This choice was not possible before, trying to escape inflation necessarily required you to use a broker which holds your stock or whatever for you. Or you could keep gold in your apartment but that's worse than Bitcoin for like 8 different reasons