1. It's unfair to assume that their primary funding source stops in one scenario and not in the other.

2. 1 billion dollars is a lot of money. Even the interest off it is huge.

3. 10 years is a very long time in tech.

4. I would greatly prefer the money Mozilla earned due to Firefox being a thing was put into developing Firefox, yes. The current Mozilla organization seems to be a mechanism for providing third homes for the executives, starting projects nobody wanted them to start, sullying the Firefox brand with them, and then abandoning them. There's a VC cancer infesting the supposed "free software community" called Mozilla.