Don't know why people are so keen to congregate in large numbers in pubs or elsewhere... their herding instinct I suppose- not too bright are they?
Some people aren't as antisocial as inhabitants of a cycling forum
More seriously, people were being encouraged to "herd" at work by briefings that home workers could be fired first, despite all the evidence that working from home lowers risk, so of course they naturally want to socialise in groups too and think it's OK. Why should it be mainly stuff that makes people happy that gets restricted and not anything that involves payment? Covid ain't scared off by contactless cards!
Hope for the best, prepare for the worst. Hoping for a coherent and consistent simple set of rules from the PM today - preparing for another load of flinging dung at walls in a random-looking way. Maybe with a catchy soundbite and then 3076 exceptions