Practical tips for when you can't find a passenger at the airport rideshare pickup area

I've fallen into this trap before while picking up passengers at the airport rideshare pickup lot: the passenger's pin was at the terminal entrance, but they were actually at the designated pickup zone, leading to circling, waiting fees, and cancellation risks. If I had only dealt with the surface-level issue at the time, it might have seemed resolved in the short term, but it definitely would…