Things I don’t understand about London

Why do the supermarket people insist on packing all the heavy stuff in one bag and all the light stuff in another? ending up leaning slightly to the right because I‘m daredevil-ish enough to buy smoothie, milk, juice and water at the same time is NOT cool

Why can’t commuters understand the simple rule of “let people off the train before boarding”? it will NOT go quicker to get on the train if having a shuffling match in two opposite directions

Why do all the signs and screens at the train station always go out when trains are delayed so you can’t get any info at all on when it will decide to show up?

Why do bus drivers find it sooo funny to wait at the stop until you’re breathing distance away from the door and then drive off?

And WHY do I always whine so much…? :) :) :)