This is to not say anything and not to acknowledge the other person that also engaged in the tearoom trade.
Skateboarders run into things and bike riders falling off of bikes, or hit other riders.
But people need to respect the pedestrians that are walking in a designated area. But, it is the walking zone and we should have the right of way. CU either needs more security to regulate the sidewalk areas, or they need to make a path just for people on wheels. It's not all fun and games, dangers can lurk during a daily excursion.