Yeah I think my reaction at that point would've been, "fine, asshole," and then left the flight attendant to deal with him. Throwing water solved literally zero problems.

I don't really understand why reclining airplane seats exist in the first place. Does that extra 3 inches really do anything for anyone other than annoying the person behind you?

That whole fight is stupid. The flight attendants should've just had one of them switch seats (him, probably).

The rational thing to do was not throw water but report it to a flight attendant. Surprised nope? We are becoming a nation of vigalantes.

That Knee Defender Courtesy Card is the ultimate in passive-aggressive notes. Also I'm with Louis CK; everyone needs to stop complaining about flying. Traveling is worth all the inconveniences! The only legitimate complaint is that it's too expensive.