> there's a large population of anti-social or outright criminal people around.

Have you ever been to Germany? one of the safest countries in the world, never had any issue with safety there.

And going back to your main point, yes, your whole argument is loaded and plain false. I grew up in high rises and it is perfectly fine. Usually you find variety of size, between 1 and 4 bedrooms the most common. The outside is actually very kid friendly, with a garden and a plaza where children can play while parents sit in a cafe. Also the newer developers are indeed pretty nice and very desirable, outpricing older ones.