To me it's a totalitarian style, it tells people 'I'm unashamedly ugly and I couldn't care any less what you think about that'. It goes out of its way to be imposing and institutional as though it's designed not for humans but for entirely fungible economic resources who in time will be burned up and discarded.

It's ironic the style is so strongly associated with socialism I think because it's much more 'dark Satanic mills' than 'England's green and pleasant land'.