you find that they don’t have any consistent opinion at all.
Well, they might not be expressing any consistent opinion, but if they are doing the same thing over and over, then there is a clear implied position (similar to revealed preferences).
the best thing to do might be to lay off the topic for some time
Might be—unless you need to make a decision in the near future. If the topic is something you can ponder for a long time without needing to come to any conclusions, well, the question that comes to my mind is “Are you sure it’s important?” :-/ (yes, I know that’s not applicable to science)
Well, they might not be expressing any consistent opinion, but if they are doing the same thing over and over, then there is a clear implied position (similar to revealed preferences).
Might be—unless you need to make a decision in the near future. If the topic is something you can ponder for a long time without needing to come to any conclusions, well, the question that comes to my mind is “Are you sure it’s important?” :-/ (yes, I know that’s not applicable to science)