For all of the reasons I stated above?
I think you'd have to be severely mentally deficient in order to think that commercial software development operates in some sort of strict high score board fashion.
OSS development I think is significantly closer if you allow for the sampling bias that only certain groups have enough time to contribute.
Some of it is like that, but not much.
As much as I like open source, there is a lot of myth making around it too.
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Second whether obvious or not, people argued that we meritocracy on these forums here for years. And some still do. At meritocracy peek, Github had even that meritocracy carpet or whatever it was.
Anyway, FOSS makes yearly polls about these topics. It is biased toward more involved projects, but again I don't think someone's one weekend demo is what is talked about here.
There are a trillion arbitrary signals that will help or hinder your success in various ways.
Physical attractiveness, gender, race, parental background, your nationality, where you can work, your accent, language... the list is honestly almost endless.
You can wish for a world in which none of this were true, or do your best to find a place within it. Sure, don't lose sight of justice, but recognise that you can't change the world alone.