Haha. Loving the snobbery idea and new builds being associated with well off working class.
There’s definitely something in that. The well educated from middle class backgrounds do tend to like the older established roads, rather than new build estates which are on the edge of town and in less established areas. Yes, those older areas have houses which aren’t built with en-suites and so whilst one might be squeezed in or a loft conversion done which includes one, you won’t be getting 3 bathrooms in many standard size houses.
People who don’t like them and argue for a 2nd family bathroom instead, are often picturing their larger, period houses with the bedrooms on one floor. They aren’t thinking of the new build town house with 1 bedroom in the loft with limited headspace in much of it, where an en-suite means no trekking downstairs to the loo in the middle of the night.
It’s not that people don’t like 2nd bathrooms or 3rd bathrooms. It’s that’s they often prefer larger 2nd family bathrooms. If it was a choice if just 1 loo in the house vs 2 loos where one was in an en-suite, they’d go for the en-suite. The critics often forget that many people don’t have the space to go for an alternative and if they want 2 loos or 2 shower rooms, an en-suite is the only way to make it happen easily.