[jimworcs]

What do you want? I am curious to know what remedy you wanted. If you were on an 8.5 hr flight from London and the problem started 1 hour after departure.. you were almost certainly heading out over the Atlantic when the problem started. The crew sought to cobble together a solution to the problem and offered to re-seat you. I can't think what else they could have done. You didn't want them to divert the aircraft did you? Perhaps put out an emergency call for an aircraft engineer?

Now, if your shirt was damaged, provide receipts for the dry cleaning or a replacement if it was irretrievably damaged and ask for a cheque to compensate. Unless it was a very expensive shirt, I think an offer of $100 should cover it. You got a flight to the US.

Why couldn't you sleep? Why didn't you ask to be moved to another seat, afterall they had offered to re-seat you. Indeed, why didn't you just move yourself to an empty seat?

Sometimes, things happen. Not everything deserves to be treated as a federal case, or requires compensation for minor inconveniences. It sounds from your account as if a number of staff tried to fix the problem, tried to do it in a good humoured way (even drawing a smiley face on the cup) and offered to re-seat you. At the airport, they offered a small gesture of compensation. I think, on the whole, they did their best. Not sure what you want.