Aye, a deliberate one. The intent is to make it "too hard" to change, so that the people are misled to think that the country must, as a matter of "the way things are and should be," admit to citizenship every person born on this soil, regardless.
If Congress out and admitted it could do this by legislation, the outcry would be "where have you boneheads been for the last 30 years?"
Another favorite diversion is to assign the decision either to a court, or to a regulatory agency. See too, assigning monetary policy to the Federal Reserve.
Anchor babies are costing us billions annually but in reality is just another cheap immigration program that so many in Congress support. We take in 2 million a year legally but that's still not enough for many of them.
So far Lamar Smith is one of the few honest ones who's said publicly this can be done through legislation but it looks to me like there are those as usual trying to find excuses not to do it.