Then you shouldn't be asking those questions in the first place.

Why do you want a job?, Why do you want to relocate?, Why do you want to work here?, etc. are BS "no-op" questions that are not relevant to the skills that they are promoting.

If an interviewer asks these types of questions, they are literally showcasing that this part of the interview is a BS "Subordinate yourself to the desires of capital in all areas" conversation. You will predictably get the "no-op" answers you asked for.

The interviewer always sets the tone of the meeting. You can't complain when they chose to play along. If you want a real conversation, you need to make it amply clear.

"Why do you want to work here" can be insightful.

I like to be asked this because I can for one tell the truth, and then see how the interviewer responds (when this is at an advanced stage of the process, with real people)