Avoid the wine and stick to ‘poo or G&T. Vino is better than it used to be, but I do sometimes request it as it’s useful for cooking.
Towels should have been part of the service; probably one of the less engaged crew. Performance management will eventually have an effect, but does take time.
Sandwiches on CE don’t need to be wrapped as the distance from galley to passenger is small; a 777 Club cabin is significantly larger and so service takes longer, hence the need to keep sandwiches wrapped on longhaul to maintain freshness.
Best to raise issue of The Poor using your loo there and then; it shouldn’t happen – they should clench, and get used to clenching.