People who have an older computer and want to access newer systems. I helped someone who had an older Mac and wanted to access a university system (Canvas LMS) that required modern technologies. Nothing but Pale Moon worked; the alternative was to ditch the computer, but it was pristine.

People that want to use Firefox with its older architecture

For those who din’t want to get stuck to firefox 69 for sustained addon functionality.

I thought it was for people who want to run older firefox addons but apparently they're not even fully compatible (?)

> but who is is this for IRL?

Devs or users? Who you asking for?

JFTR, I'm user of Pale Moon since switched to it more than 5 years ago.

i use it for its support for NPAPI plugin support, to connect to our F5 vpn