maybe it seems so simple to you because you so simple
anyway, people are reading way too much into the fine print of the ETF regarding forks. the fine print must be there for the event of a fork. imagine having a bitcoin ETF with no disclosures about how the ETF would handle a fork. like another user said, if bitcoin can't survive the first three steps of your very simple plan you see unfolding then fuck bitcoin.
also note: blackrock owns shares of microstrategy and major miners because they manage assets for their customers, who own either these companies specifically or ETFs or other index funds that hold/buy these assets on behalf of their customers.