A canonical example would be the doctor who is a better secretary than their secretary (produces more value per hour, looking only at secretarial value). The secretary still has a comparative advantage in secretarial labor because they forgo $0 of doctor income to work that job, while the doctor would forgo $100/hour they could be earning as a doctor in order to work as a secretary.
This is true even though the doctor has an absolute (or competitive) advantage in secretarial work.
The real test for whether something is financially optimal is if you have a comparative, not absolute advantage.
Uber not having a competitive/absolute advantage in SDCs would also be a reason not to do it, because of the details of this case, but comparative advantage is correct as well, though perhaps an unnecessarily strong criterion for the point I needed to make.
Yes, however I don't see a relevant difference between that and my phrasing.
It still looks to me as though you were clearly describing a lack of competitive advantage, while using the word comparative. Sure, you can discuss comparative advantage if you want.
I got a D in my only economics class, but I think that I've seen comparative advantage used to mean that "X is better at doing Y than doing Z", whereas competitive advantage is "X is better at doing Y than Z is at doing Y".
If you're not using it as jargon, then the fact that it is jargon might be confusing.