Just substitute "mortgage" in this sentence, think back on events of the last decade, and you can see what is horribly wrong with this article.
Lots of debt, all given to tech startups, which will almost all go bust with the first recession. Let's see, what does that remind me of?
Of course, if you believe that the government would step in to take the downside, then you could just get the upside in the time between now and when the downturn comes.