Good point. Universal basic income is going to take away the very reason people have to get up in the morning. Life without meaning will lead to big trouble.
On a positive note, most young people nowadays are, for the most part, unemployable. Work is about striving and hard knocks and adapting. Young people concerned with personal pronouns, micro-aggressions, and safe spaces will not be useful employees. They will be replaced by AI.
North Korea decided to reject modernity and they have a higher birth rate than South Korea. At some point, we may be too advanced for our own good.
The only first world nation that seems to be doing okay is Israel. But again, they're fighting for their survival due to external threats.