OP, I get the point you're trying to make. Although if you come here for opinions, don't be pissed off when you get them.
Whilst you say that huge outgoings on a huge salary are a choice, most of these people will have no doubt earned their way into their position and worked their asses of to earn a high income.
They probably see it as a choice that you earn so little. You haven't worked as hard to get further etc....
So just calculated it, they will have a take home pay of at least £7,500, minus any pension contributions. My take home pay is £1,000.*
Please don't count other people's money, it's so crass.
I couldn't guess how much my very closest friends or my brother earns and we don't discuss.
If you don't like the topic, just walk away from it.
People will always have complaints, no matter of money, upbringing, race, religion etc.
Just get over it and I'm sure you'll be happier.