When there was a Bitcoin hard fork in 2017 and BCH was created, I remember that many casinos, exchanges and other companies were suggesting people to withdraw bitcoins during the fork because they weren't supporting the fork.
That works, as long as users are dealing with Bitcoin. Now imagine an ETF holding a million Bitcoins in the future: "withdrawing" all Bitcoins means selling them. The Bitcoin market will crash hard, and boom again when they buy back after the Fork.
You have a good point but that again proves that Bitcoin ETFs are not meant for advanced users, it's meant for those who want to buy it easily without taking the responsibility of holding on their own. I think that half of Bitcoin ETF users have no idea about hard forks and another half probably understands that they won't be able to claim forks.
I guess we're going to disagree on this. A Fork is like dividend: any other ETF takes care of the dividend for it's users, and in exchange they charge their users a "fund fee".
Doesn't the ETF of each coin need to be approved? Approval of Bitcoin ETF doesn't mean that its forks like Bitcoin Cash, Bitcoin SV, BitCore, Bitcoin Gold, and others are automatically approved as ETF.
I think that no one has thought about how forks would work in the crypto ETF world.