Bitcoin can be killed by means other than technological.
For example it can be outlawed. Sure, people would still be able to use it, but they would be breaking the law and that would deter many, possibly enough to kill it outright.
The professor that wrote the analysis distinctly says WeWork as a business has value (worth maybe $2b). The issue is with the valuation of the company that is 26 times the revenue, and priced as a tech company even though it has no tech. It’s a real-estate company (these trade at x3 revenue).