People that work for money will want money, and ultimately can be bought.
People that work for love produce the best they can with limited resources, and are often broke.
I don't think we've found a way to bridge the gap. I've come to generally rely on work people do for love, and I contribute to them, but it's clearly not sustainable unless they have another source of income.
Anyone who solves this will produce immense value.
While I'm sure there are plenty of exceptions, exceptions that we rarely hear about because they are smaller companies that don't monopolise our attention, it is important to realize that capitalism is just a high level theory. It says things that sound good. over a long enough time period and a large enough samples it may be roughly correct. Yet it has no value over short time periods, small samples, or when it's underlying assumptions are violated.
That last bit is particularly important, even though it probably isn't applicable to Nova Launcher. Everything from the asymmetry of information, to anti-competitive actions of the business itself, to regulation will disrupt those assumptions.