Midlander here. Dinner is the “main meal” whenever it’s eaten. Tea is always the evening meal and lunch is always the midday meal though.

If you’ve not heard of these people, it’s likely a cultural difference. They’re definitely all well known people. Dua Lipa is one of the most popular pop stars in the UK and USA (and presumably worldwide) , Gary Lineker is a former football player, turned sports commentator, and Benedict Cumberbatch is an A-List actor.

It looks like old AC units last forever because you only see the ones that are still working, not those that failed over the years. Classic survivorship bias.