Yes, and this is probably the more important half of it.

While I agree that too much or habitual over-stimulus can have a profound negative effect on productivity, without a diverse and varied body of experience, the other half of the process—convergent thinking—has nothing to converge from.

So while I don't think the article is inaccurate, it only explores half of the picture. _Excessive_ consumption does however imply an imbalance, but the article doesn't go much further than that.