If it succeeds, I think it's great and the stock will rise even more.

So far, it looks like Robinhood is in a grey area and is being investigated for it. There is no regulation in the US yet on this, but BlackRock announced some time ago that they are very interested in this and we all probably know how that worked out for crypto ETFs. If I could own private keys to the shares I would definitely be interested, but it would depend very much on what chain it would run on and something tells me it won't be BTC, so that's where it falls down for me;)