No matter who gets replaced first, someone is getting screwed.
Frankly, if it's the higher end jobs getting replaced first that would likely spill over to the lower end ones as the those people who lost their jobs resort to taking lower end work to survive, flooding the market.
That's under the assumption that nothing else will change. But it is not the case, the system would have to adapt. One possibility is that we wont use money anymore, and there are a lot of in betweens in the middle. But for sure what you cannot do is to stop the change that is coming.
Frankly, if it's the higher end jobs getting replaced first that would likely spill over to the lower end ones as the those people who lost their jobs resort to taking lower end work to survive, flooding the market.