Hey look: Average salary of Moz employees? $137k: https://www.comparably.com/companies/mozilla/salaries

As for PR/marketing, it might be worth remembering Mozilla's mission: "...to ensure the Internet is a global public resource, open and accessible to all"

Yeah, kinda needs marketing.

But really, your mind is set. It's part of a conspiracy to enrich the Mozilla leadership. If that helps you sleep at night, go for it.