Based on my experience with how airport operations work I suspect they noticed a defect on lesser pavement or a service vehicle with higher ground pressure than

Based on my experience with how airport operations work I suspect they noticed a defect on lesser pavement or a service vehicle with higher ground pressure than an aircraft left a dent somewhere on the runway and they then concluded that they should stop bouncing object that weigh tens of thousands of pounds off of the runway until it hardens back up lest ruts form there.