Tell people they can be fit with no effort on their part, add the word hack, bump up the upvotes with friend's accounts to get started, profit.
That is not at all a fair characterization of the article. Unfair characterizations do more damage to HN than "bullshit fluff" articles do.
Though, I do have mixed feelings on this. If this convinces some readers to take up fitness as a hobby that's great, but there are much better fitness resources online than some broscience blog post.
If anyone is serious about either cutting or bulking, I'd recommend the /fit/ sticky [0]