There was a long-form, dramatic (as is typical) story about a woman who lost control and eventually committed suicide in The New Yorker or similar that I can't find at the moment, but any search on the "dangers of" or "dark side of" meditation will return ample material to consider before going excessively far with these techniques.
Not to belittle the seriousness of the dangers or their practical consequences: It does seem in life that too much of a good thing, isn't "good."
Also, just FWIW: Sam Harris' Waking Up app has many podcast style conversations with and monologues by practitioners of variations on meditation/mindfulness. I'm suggesting this as a starting point if the article's content is perhaps too esoteric.
Not to belittle the seriousness of the dangers or their practical consequences: It does seem in life that too much of a good thing, isn't "good."