I note that forums.puri.sm also doesn’t work with the GNU LibreJS browser extension.
I don’t know for sure but I hope so, at least in theory it seems doable.
It is often times more lively there than here.
That is: the page renders, but is static. You can read the content, but cannot interact. It seems the Discourse authors picked the road of “graceful degradation” instead of the (better, IMHO) “progressive enhancement”:
I hope that helps.