I can answer for me coming from the same boat... exactly zero risk to try, given how easy it would be to rebase back onto silverblue. I didn't have to worry about the codecs Fedora couldn't legally ship so I could remove an overlay, plus I figured bootc was the future and I wanted to see it working.

Sure there is zero immediate risk, I just genuinely don’t know what I would get out of taking on the risk of adding a community maintained middleman into the supply chain. I know, because rpm-ostree, it’s not the same as some random distribution. If there’s nothing to get out of it personally that layering a package or two can’t give me (or better, writing my own simple image).. why?

I’m not saying there isn’t a reason; I’m genuinely looking for it