The '80s were fabulous. The '90s sucked and the '70s were just a sad sad time in human history. Go 1980s! There's something that's just so cute about that time. And not just yellow nail polish and 'I'm a loner.'
If history philosophy and so on vanish from academic life what they leave in their wake may be a technical training facility or corporate research institute. But it will not be a university in the classical sense of the term and it would be deceptive to call it one.