Earlier quoted context omitted.
Airline upgrades is a market for lemons. Even if you, say, buy an upgraded seat you may get sat next to a big guy or a rowdy child and then your seat sucks. Instead you have to pay much more (sometimes multiple times a main-cabin ticket) for the cabins up front and even then you might have to set next to a drunk businessman. If you complain you will get told there's nothing that can be done. Even if you get sat in a…
I've traveled for business a few times and a few times I got the company to pay for a first class seat up front. One time the first class cabin had a crying baby in it. Another time it was full of rowdy children. It turns out that rich people have children too. Paying for first class simply decreases your chances of dealing with such things, just like any other seat upgrade. I suspect that airlines could offer seats…
In some cities, only the rich can afford multiple kids.