It is an odd question to begin with, but we all know the reality of instructing, is that the majority of people doing it, are only there to mark time and gain some experience themselves before moving to bigger and better paying things.
Thing is though, this is a double edged sword for students. Do you fly with the relatively low hour FI who will work for a pittance, or will you accept paying significantly more for people who can actually earn a living out of it?
Then we come to those like myself who started off instructing, but then moved into the airlines and did it as a side hustle for fun. GA flying and airline flying are very different, so just because someone is a high time jet jockey, doesn't necessarily mean they will be ace of the base when it comes to little aircraft being used for little aircraft things.
If all you are doing is producing people who want to go onto fly airliners, then fine, but when people are training to fly themselves about and go into grass strips and do even crazier things like fly tail draggers etc then people who do that day in and day out are useful on that front too.
It is horses for courses and as per usual, someone's attitude matters more than their background. As long as they turn up, act professionally and care about what they are doing, then it should all be good no matter what.