majority of the people will find it difficult to safe guard their private keys and people will find it useful to invest in ETF.
Do the "majority of people" use a broker service, though? With the exception of some free shares I was given by my employer, I sure as hell don't, but that might just due to my distrust of traditional finance. Because if people aren't using a broker, that's the only way casual investors can access an ETF. I'm guessing most banks offer such services, but I suspect the majority of people are currently more concerned with putting food on the table in an age of ever increasing disparity between rich and poor. Unless you meant the "majority of people with access to disposable income looking to invest in something", perhaps?
Then there's the generational gap to consider. Are brokers keeping up with
current trends? I don't feel like brokers have made much of an attempt to engage with me, so I'm seemingly not their target audience. Who else are they overlooking? And where will those people look to store their wealth? I get the impression younger generations feel that crypto is quite accessible to them, so perhaps they're more likely to want to hold their own private keys.
I suspect brokers will also be required to mention that crypto ETFs will be on the higher end of the risk spectrum, so that may also prompt casual investors to look at other options. It's a widely held assumption here on the forums that a Bitcoin or other crypto ETF will unfold just like previous ETFs, but I'm not convinced of that. A Bitcoin ETF won't be like a precious metals ETF in terms of volatility. It will be an altogether different beast.
And then there's obviously that pesky first hurdle of how long it will actually take one of these things to get the green light from the bureaucrats. Could easily be a few more years yet. Will investors be prepared to wait, or will FOMO force them to download a wallet and do it the "proper" way?
There's just so many variables to consider. There's no way to know how it's going to unfold.