What you said is close to a tautology, and like most tautologies, they are merely a play on words and don't leave any substantial insight.
https://en.wikipedia.org/wiki/Analytic–synthetic_distinction
BTW, not trying to debate necessarily as I don't have a strong feeling on either side. I just found this article and your comment to be interesting.
Cost, time, stress, etc. At the benefit of seeing a part of you live on and be happy.
They are very useful becaus they can be solid foundation of any derivation.