In both cases, people are choosing products because they're better. "Better" for most favors properties of the product. "Better" for you favors the politics of the product. Both are completely valid approaches.
It's about immediate pain vs future gain. People are susceptible to temporal discounting.
If I can't have ublock origin, I'm going back to internet explorer 11.
There is the Mozilla Foundation which holds all the IP, governs development, and provides supporting infrastructure.
Then there is the Mozilla Corporation-- the profit seeking portion of the conglomerate. They are guiding product development and contracts which will either bring profit now, or in the future. Think about their big forced Pocket feature. This is a future profit driver, if it is not already.
Source where FF gets the lions share of their funds.
I'm not saying they are bad, but use some critical thinking and stop making corporations heros, generally. Hold them accountable.
Be aware, use your voice, vote with your patronage.
Hold on I'm going to pick the one that's marginally faster and more ram efficient...