Earlier quoted context omitted.
This might be a controversial view: What if the exploitative aspect is open source itself? Trick some above average but naive developers into giving their talent, effort, insights and time away for free or very little? Maybe open source or something similar could have been organized in a way that wasn't exploitative and wasn't (possibly) unsustainable, but that is not how things ended up with what Richard Stallman an…
We shouldn't let cynical greedy bastards set the terms for how the rest of society wishes to engage
You need to have an alternative, and it needs to be a credible and reliable one, to ensure that it does not end up being the case that one scam is replaced with another scam.