The phrase in the title is a common trope that comes up when VPN services are discussed. While this statement is technically correct, it can be misleading, as it implies that all providers handle law enforcement requests and prepare for worst case scenarios similarly, so their conduct cannot be a differentiating factor when you evaluate them.
The purpose of these corporate white papers is to inform (impress) potential customers of actual issues. It demonstrates knowledge and implies that the company has the ability to leverage their product or service to meet whatever the challenge is.
I wouldn’t say boulder-sized because the meat of the article is true, but yes a bit of skepticism is always useful.