Unfortunately, I don't have access to a machine to test with - my statement was based on a lengthy discussion from a few months ago at a previous job - but I'll

Unfortunately, I don't have access to a machine to test with - my statement was based on a lengthy discussion from a few months ago at a previous job - but I'll assume you're correct, and amend my original statement to "Mac OS is the only mainstream OS I know of that disallows debugging by non-privileged user accounts entirely." Thanks :).