[ksaj]

I still say, only as opinion of course, do not pretend you are hiring when you aren't. What you are doing is collecting personal information under the guise of a potential gig that does not exist. There is a clear moral aspect, and a clear legal one besides.

Doing this for people who applied for, but didn't get, the real job is fine. Continuing to do it when the job is no longer available is a kind of surveillance.