Do fans have a shelf life?

It was only yesterday evening that I became aware of another incident of stuff being thrown at a player, this time at Fir Park on Sunday. I think most fans are sick of it but then again how many folk do I really speak to who are, say, half my age (22). In a football context, not many. I find myself, as a middle aged man, increasingly out of touch with the aims and views of younger fans on Social Media...