The mesh is the important part its under those rectangular tabs. If you notice the mesh is placed where the plastic gets thicker. To save a headache you could order some from above and use any thin tape to re-apply it. The tape DJI uses is still...
@Cafguy: clarification about "leave the side of the tape that will touch the thick plastic alone ( don't put adhesive on it." Please clarify that the "thick plastic block is on the lower half of the body. Did you remove ALL the black tape? Or...
The video clearly shows you are way too low for flying above salt water.
Salt water mist into the drone. Drone dies.
Water droplets on the bottom sensor and you just may cause the Drone to auto-LAND.
TIP: DJI Drones cams have a zoom feature.
EDIT...