For me personally I would rather just work with the node directly. I’d want it installed in /usr/local/bin along with safe there too.
I just don’t really see why it’s an advantage to use safe node xyz rather than sn_node xyz.
From a code point of view safe node xyz also may be a bit awkward if we do still want to retain commands like node run-baby-fleming, which is not going to be forwarded to the node. We also won’t be able to document the arguments for the node unless we done that manually, in which case we have two things we need to update. Whereas if you run sn_node --help you are just getting direct access to whatever the current available arguments are.