A bigger question?
I wonder, who would you rather share the airspace with?:
a) The 'tool' or 'moron" who is looking outside and acknowledges the presence of other aircraft with a flash of his light, -OR-
b) The ever so cool 'professionals' who bury their heads in crosswords/newspapers and troll forums to point out obviously (to them) gay behavior?
For the record, I do not flash, I do not do crsswords and I'm not homophobic.