hasn't there always been a skilled labour shortage, it's just constantly changing fields.
you also might want to consider that social security gives some a baseline to fall back to if they fail to learn something new. otherwise they might not even try and stick with what gets them by.
free education is also a part of social security.
the world is not getting more complex, it's still driven by greed. Social security is the carrot on the stick that keeps the donkey running. Slavery of the fiat 😆
And yes, I'm high as a kite.