[kyrra]

Because that takes a lot more time for the interviewers. For a growing tech company, they could have as many open reqs as they have engineers. Crafting questions for all of those positions takes a lot of time that most companies don't have time to do.

[justinsteele]

Hiring is pretty much the most important thing you do as a company.. if you can't spend an hour per position developing applicable questions for each position, you are setting yourself up for failure.

[rhizome]

Yet, time and time again, these posts come up and the comments contain a not-insignificant of anecdotes about hiring processes that resulted in high failure rates in interviews, so they hire someone kinda smart anyway and teach them the concepts that other interviewers failed to answer satisfactorily in the interviews. Why ask at all, then?

[Bahamut]

Ideally they should be having people in that area of expertise doing the interviewing of the candidate, since they have ready access to the domain specific information to ask relevant questions.