If you're trying for perfection, then not even remotely, no. The type of data provided by "one million users" will uncover issues that "one hundred users" simpl

If you're trying for perfection, then not even remotely, no. The type of data provided by "one million users" will uncover issues that "one hundred users" simply never can. I believe it was iOS 10 or 11 developer betas that would, on each beta update, run a trial APFS conversion process against the phone's internal filesystem, check the result for consistency, and then discard the replica and report success/failure w/ logs — so that Apple could find the issues that they couldn't find at 'one hundred users' scale.