Vacating the runway, while in reverse is one of the highest risk areas for blowing around debris to be ingested by engines. When I used to fly the four holers I could count on a shower of visible fan sparks in the inlet if the pilot left the outboard reversers on when turning off the runway
When I conducted airport debris investigations, I would always note the highest risk areas were at the turning points between runways and taxiways. And a few stories about high power spoolups on the chevrons where only the few dare to go