Do not fear becoming irrelevant and replaceable due the fact that the age of AI is (allegedly, stock-pump-promotionally) looming.
You already are.
And your parents before you and your grandparents etc.
To reach some sort of individual human relevancy and irrepleacibility you need to go back to the point in time when there were about 10,000 humans.
1/10000.
Nominator/Denominator, these are the basics son.