Passenger records video of Air India Express Boeing 737 MAX 8 making a hard landing at Phuket Airport

Tower/fire fighters/flight attendants will look for signs of a fire and communicate that. A hard landing like this is more likely to result in damage to the gear and airframe and less likely to result in fire. If signs of a fire are present then an evacuation is likely. It’s a dynamic situation and many people are communicating to assess ongoing threats. Evacuations from a 737 are no joke. Over wing exits for example have no slide. Pilots extend the flaps and that IS the side. If the exits get opened before flaps are extended then they remain retracted and people are jumping off the wing. Not ideal. This is why it is crucial to follow instructions and not start an evacuation until instructed.