Indoor cycling is not meant to mimic the real world experience unless you're talking about zwift. Simply a way to get exercise/train. The gym I belong to pre covid would give free jerseys to people who wanted to represent the gym at the local cycling events. In one class of at least 30 participants, the instructor mentioned this. He asked for a show of hands as to how many people had real bikes and would be interested in repping the gym. Only one other person and I had real bikes and also rode outside. I mentioned that I had bikes to loan if others wanted to try it out. No takers. Most of the class had their own cycling shoes and some had on cycling pants. Go figure. Like a lot of real world cyclists, the social aspect is the draw.