Why are the permissions on the .snap squashfs files located within /var/lib/snapd/snaps/ so restrictive? They are set to rw------- root root. Would there be a disadvantage if they were set to rw-r--r-- root root? If not, I propose that the files be given these permissions so normal users can inspect the files without having to elevate to root.
I’m not talking about you mounting them, if a file lies in that dir it is also mounted in /snap, this is a hard-wired thing, like a bunch of other actions that happen around these files when they get into this dir…
If you want to see their content you can do so without special permission via /snap …
If you want to do any other things with them you should always make pretty sure all the hard-wired things are gone first by using the snap disable command on them, else you might harm your system…