[johnnyworker]

> companies make the same thing at the same place on the same equipment after sometimes years of process optimisation of well understood technology. This is essentially a best case scenario and still results fail to reproduce.

We're not talking about 1 of 10 reproduction attempts failing, we're talking about 100%. And no, companies don't time and time again try to reproduce something that has never been reproduced and fail, to then try again, endlessly. That's just not a thing.

> it is impossible to easily reproduce other people's results

We're also not talking about "easily" reproducing something, but at all. And in principle doesn't cut it, it needs to be reproduced in practice.