Amidst all of these theatrics, PIS and USB ports are ultimately
just bells and whistles.
Perhaps we should have the bus version of Maslow's Hierachy of
Needs.
From bottom to top: Safe buses, buses that bring to to your
destination, buses that are comfortable and dont make you sweat
buckets, buses that bring you to your destination very quickly and
buses with extra features such as PIS and USB chargers.