I did a Goenka 10 day a few years ago and I agree with a lot of points the writer makes. It bothered me a little that there was no way to ask questions and getting a useful answer. I asked the teacher a few questions but the answer was pretty much always a variation of “just keep meditating”. I found this a little frustrating. I have asked Tibetan and Thai Buddhist teachers similar questions and they usually gave very detailed and practical answers that brought my practice and understanding to a better level. I think the Goenka seminars are good but I think it’s necessary to learn from other teachers.