Uk adverts are the best in the world, so full of humour and even sarcasm. In mainland Europe it is still far to heavy à la 'Omo washes whiter than white', etc.
But what I really do HATE with a vengeance, and should be much more controlled in the UK, is adverts aimed at children. All the childrens' channels have been bombarding children with adverts for toys for Christmas, from the beginning of ... October. Poor kids. And many of those border on the fraudulent, as their show inanimate plastic toys doing amazing stunts and feats, which of course will never ever be true in the real world.
Our grand-children are just another huge money market, and they are manipulated and used in a disgusting way.