Is it ever a good idea to apply (and interview) to a faculty position at an institute if you know for certain (or with very high probability) that you are not going to accept a position there.
Possible advantages are:
- Networking and letting people hear about your work.
- Practice for later interviews.
- Leverage: If a top institute offers you a position, that could be used to improve negotiating position with other institutes that you are interested in.
Is this something which is frowned upon? On one hand, I am guessing that departments wouldn't want to waste their time and money on a candidate that will not accept a position. But on the other hand it might be acceptable if the faculty are interested in hearing/talking with the candidate anyway.
If this is acceptable (or if it is not but someone still recommends it from the candidate's perspective), should the candidate give the impression that they are enthusiastic about the institution? (of course I realize the interests of the candidate might be different than those of the institution)