> The more traditional professions do their own gatekeeping and have one, standard, set of exams to take. Once you've taken them you don't need to re-do them for every interview, although you may need to stay current.

> In programming, every employer has a different, non re-usable, exam.

True for DS too. This is the real problem. Like, if I could take a bunch of re-usable take homes and then not have to worry about this for a few years, I would totally do that as it's honestly so frustrating to have to do mostly the same crap over and over again.