[vog]

Compared to Chrome, Firefox has the huge advantage that it is Free Software, while Chrome (the whole package) isn't.

Compared to Chromium (the Free Software part of Chrome), Firefox has the advantage that it has no anti-features in the first place, rather than having the Chromium community trying to keep after Google removing each anti-feature as soon as they notice.

[nwah1]

Mozilla is an independent advocate for the open web, compared with a for-profit entity. This means the incentives are better. They try to fight the good fights, even if they don't always succeed.

That's a key reason to support them.