Here's my post from the other thread:
I'm not sure where people get the idea that most people in premium cabins are a) actually travelling on business and b) completely unsympathetic wankers with no politeness.
Travelling on business? That may be true on some routes, but not, I suspect, on flights to the Maldives or Mauritius. I fly long-haul business a lot (10-20 return journeys a year), and IME, a considerable number of people in the cabin are on leisure breaks (including expats on home leave) who have paid for themselves, have premium cabin flights as part of their expat package or use airmiles to upgrade. Its only a few long-haul routes that I've flown (eg Tokyo, NY, Singapore) that the majority are on business.
Unsympathetic? Not in my experience. I nearly always get people coming over to say hi to DD (who I admit is particularly charming!!!), to offer their assistance if I'm travelling on my own with her, and to generally play with her until its lights out time (as I said, night flight are the way forward). I've had professional sportsmen en route to playing in a big tournament reading her bedtime stories, a very famous captain of industry (this was in first class)take her to play games on his laptop so I could eat my dinner, and a film director walk her up and down the aisle in his arms until she fell asleep.
I've only once had a fellow passenger complain that kids shouldn't be allowed in business (we had only just boarded at this point, and DD was already asleep) and he was loudly told off by another passenger for doing so. A lot of the travellers are parents, and, especially on businessy routes, a lot of them spend time away from their own children (I get shown kids pics a lot!) so are very approving of a working mum who takes her kid with her on business as much as possible, and like a bit of kiddy interaction.
In fact, I've found travelling economy worse as far as dirty looks from other people goes. Not because they aren't so nice as people, but mainly, I suspect, because they are younger as an average so less likely to have kids and because the whole experience in economy is a bit stressful, cramped, and generally makes you grumpy.