Then they should pool funds to pay consulting companies like Igalia to implement these features.

I think it is more up to Mozilla to put its act together and implement more transparency. So that people start trusting the organization not to waste their donations on executive salaries.

There is very little probability that your friend would donate any money even if they could have a say at the feature. But even if it was the case it would not be enough to fund the development. And finally you don't manage a company like that.