Are you disputing the fact that there are a very large number of people who charge money for instruction, training, retreats, etc. around the concepts of medita

Are you disputing the fact that there are a very large number of people who charge money for instruction, training, retreats, etc. around the concepts of meditation and mindfulness? Are you suggesting that "sitting for 20 minutes a day paying attention to your own attention processes" will lead to the profound revelations, mental changes, existential crises, etc. described in the article and in comments posted here?