Everyone is focusing on the Maginot Line metaphor, and possible historical inaccuracies in what the author wrote. However, the important word from the title is not "Maginot", it's "Digital".

In reading the author's assessments of a wide range of topics, including free speech, digital militarization, and more, I found that there was actually quite a lot of valuable takeaways from their perspective, even for the reader that doesn't agree with 100% of the content.

However, if you are finding yourself roadblocked by the comparison to the Maginot Line, I encourage you to disregard this portion of the text and skip past it; the loss of the metaphor is not fatal to the rest of the content.