Nah, what’s their incentive? People and planes come and go; if the planes or the people have to wait, what does the airport manager care?
Airport managers take grief from their politician bosses when people get inconvenienced. They have a need to see stuff move trough smoothly, TSA mucking up the works gives the managers a reason to lie about TSA mucking up the works.
“Sure! Everything’s fine! Come on down to the airport!”