I use Pale Moon as my daily browser and Vivaldi for work, as we rely a lot on Google services (Chat, Classroom, Drive etc.) that, alas, simply work better on Blink and Chromium based browsers.

To remain in topic of cooperation as central motivation, Mozilla's rebrand announcement last year states:

Which is great on paper, but it's somehow difficult to take seriously considering how Google is, as a matter of fact, paying the biggest portion of your bills.

Does merch purchased through Spreadshop contribute to funding the project? I recently moved to Devuan and grabbed a shirt from the website as a mini-celebration and a way to donate, but I don't know if revenue from selling merchandise is included in the annual report.