:shakehead
I completely agree with you. However, what do you do in the following scenario?
You've explained the plan and talked about possible thumb dive scenarios and both divers have agreed to the plan. One diver has issues and signals the other that they need to thumb the dive. The other diver doesn't want to. :shakehead
The thumbing diver spots another dive team, swims to them, is in obvious distress, yet contained, and signals for assistence finding the boat. What do you do if you are the other dive team? Do you help the distressed diver or take off?
Perhaps this should be explored as a dive etiquette topic?
L