I would think putting /bin and /lib on the fastest thing possible would be nice 🤷

Personally I just like being close to upstream so that contributing if I find bugs is easier.

As others have said I also recommend it for tech-competent gamers.

It was already pretty ridiculous the process I had to go through to upgrade with ZFS on root, and that was before the infrastructure started getting attacked and making connecting to the update servers unreliable. :(

I think the other ones are just copying github