The article [0] is paywalled, but the preview contains a note from a reader suggesting "the holographic principle shares the same problems of all Idealist notions: rather than relying on evidence, it puts the elegance of the model first as an argument in its favor."
I hope the Fermilab experiments provide some useful data.
[0] http://www.scientificamerican.com/article/the-black-hole-tha...