Just because the machines don't need help building, doesn't mean they don't need monitoring and maintenance to keep them running.
Try putting this in the context of a new mall coming to town. The developers blow a bunch of sunshine up the community elder's backsides about how much it will 'stimulate the town's economy', and how many 'jobs will be created'. True, during the construction phase, jobs in the building trades abound. But, they're temporary.
After the mall is built, those jobs go away, and you're left with a lot of minimum wage jobs in retail sales. Oh, and before I forget, the taxes on your property skyrocket. That's the one thing you forgot about the whole deal, the part when the developer said, "the mall coming to town will increase property values"...
Did y'all think you were getting a free ride on those, 'increased property values'. Hell no, the only person who won't be paying those taxes is the developer.
And lest we forget, mostly everything for sale in the mall is made in China.
Same thing here, building a factory in the US will, "create jobs", however temporary. The corporation having the factory built here in the US can crow about how, 'we're bringing manufacturing back to the US". But again, we missed the fine print that said, "but humans won't be doing it".
Overall, this is the same crap Apple was spraying around a while back. The biggest beneficiaries of this, 'new found wealth', will be the half dozen executives sitting on their flabby a**es in the factory office around bonus time.
Although, we need to face facts, there's nothing in the modern tech product spectrum, which can be built 'by hand' anyway. So, having all robot factories is something to complain about, unfortunately it's a moot complaint.