Human skill levels are not being honed at the rate that we need to keep pace with the advancing technology. It is only a matter of time that this difference will manifest for all to see in our everyday lives. Right now we only have data and statistics but soon the naked eye will see this effect.
It has been happening for a while now and it went unnoticed by most until people started realizing that university education was becoming obsolete. The courses being taught had nothing to do with the industry the students wanted to get in.
Then there is the secondary effect - the lazy human. As traditional means of income shuts down, the average Joe dosen't know what to do after that.
I agree and by then for most, it will be too late to adjust.
For these people, the UBI will be more than a support, it will be everything, much like those who are long-term unemployed and living off social allowances.
That is a certainty and it will only repeater the cycle further