Maybe it’s because some accident just happened and drivers were instructed to be more strict on rules.
Here happened with people on wheelchair. Buses are street legal if there’s only one wheelchair, facing forward and strapped with the safety belt, but you could actually have one extra space with a wheelchair facing backward. Nobody complained until one sad day the driver had to swerve abruptly to avoid a car and one guy in the extra wheelchair died because the wheelchair tipped and he knocked the head on the bus door. So the bus company ordered the driver to be strict. People on wheelchair started to be angry because they had to wait more and forced to be strapped.
