If cabin crew are unhappy about wing contamination, you de-ice...simple. They are part of the team and as professionals would KNOW if a wing contaminated
I'm sorry, but what are you trying to say here - that the cabin crew have the final say on the matter? That the captain is obliged to bow to their knowledge?
Does anybody REALLY know what happened on this flight? Because it strikes me that 90% of this thread is nothing more than ill informed posturing.