I never realised calling someone pedantic was such an insult! Let’s summarise.

The chap seems to have decided in his own head how magical Force mind powers work, apparently those with the Force can read other peoples minds but only other people that also have the Force. There’s no evidence within the films to state this is a ‘rule’ (in fact there is evidence to say it isn’t but that evidence is in TFA and apparently that’s inadmissible, there’s also evidence in the deleted opening of ROTJ of people communing long distance but apparently that’s inadmissible too). So the chap has decided to arbitrarily call it a rule that Vader cant read minds unless the person he reads has the Force. This essentially backs up some assertion he has made that Snoke’s mind powers are at odds with the rest of the Saga, ergo backs up his view that The Last Jedi is rubbish and everyone must know and agree with him how rubbish it is.

However… Leia has the Force. As Luke says “You have that power too”. She’s a Skywalker. Always has been. She’s filled with the Force. Oodles of Force. Been there the whole time.

So I’m afraid this chaps ruling on precisely how this magical, imaginary, fictional, mystical power works does not hold water, because according to his rule Vader should have been able to read her mind.

Case closed. Court adjourned. Good day to you sir!