The strongest is simply that the machines/educational materials they produce are simply not practical, useful, or accessible. It's, as many other comments have said, performative.
Conversely, there's plenty of great and little-known organizations around the world who HAVE built productive, sustainable organizations around small-scale recycling - by designing their own devices.
Moreover, as many other comments have pointed out, there's never been any accountability (again, not just in a financial sense. Though, the figures are also quite murky, such that you're citing numbers that are far too low). There's no plan other than "give us more money and THEN we'll put in some effort to come up with and share a new plan". These are not serious people.
Theyre seemingly decent and nice enough, but do not merit further support - let alone celebration. There's plenty of others in the world who are far more deserving of help, but don't have the cool marketing platform that PP does.