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As a comp sci prof you have no idea what you are talking about when it comes to bitcoin. Here is one example:
Some clever bitcoin hackers may be able to create transactions that are valid on only one chosen branch. However, most transactions issued by typical users will be executed in both chains
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WTF! Anyone with the most vague idea of how spends are constructed, what coinbase is, and how transactions are verified can easily see how to do this!
Stolfi's been stinking up the place for quite a long time now and claims to be a comp-sci professor who could consult like Peter Todd yet he makes a statement like this?!? Something isn't adding up here.