I don't believe birthright citizenship for the children of illegal alien residents was ever intended by the authors of the 14th amendment. There are several quotes from them that indicate they had absolutely no intention of granting citizenship to the children of people here illegally.
It is a misinterpretation of the Precedent set by the Wong Kim Ark court case that has led many to believe that this was ever allowed by the 14th amendment.
I totally believe you... it’s just that it’s murky enough that the liberal SC would jump at the chance to deliberately misinterpret it as it is.