Frame shift: coding challenges are work. (I don’t care that the assignment is useless for the company, that’s not my problem!) The issue for me is that it is unpaid. If you really want me as a developer, pay me. As an industry, we might even set a standard rate for these homework assignments. I suggest a rate which is enough for me to say it wasn’t a waste of my time. As an anecdote, I was interviewing at a startup t…
I'm not in favor of take home "go write this thing" projects, but what you're suggesting isn't a viable answer at all.