These are authentic.
If you are comparing to your other Jordan 1s that are made in China, then you are doing a wrong comparison. The factory in Vietnam makes a lot of small differences compared to those made in China.
The glue marks on the sole don’t have to be at a certain angle, they can vary.
Pairs made in Vietnam should have that long Jordan lace bag.
The inner stitching does not have to be the same color, nor does it have to be a color that is used on the shoe. Nike could use blue stitching inside the shoe.