It's not.
> I am afraid doing nothing is inhibiting that function
It isn't.
> I think it's perfectly healthy to not want to be a vegetable
Not having an opinion about everything for 3 minutes != vegetable.
The author of the post is selling what he himself doesn't understand. Paying attention to your inner chatter without judgement is part of a much broader tradition. Westerners stealing bits from cultures they don't understand is nothing new. Neither is the polarizing fascination/dismissal it entails.