Some of that is the rethoric of startups, which usually inflates the importance of their product. Some people believe it and believe SV can solve anything.
Exactly, the same rhetoric follows university programs I came to find out too. A little shocking to discover the reality of all this hyperbolic language one can run into in marketing material. But in the end it's all perfectly well explainable, they're creating the public appearance they want to craft and present to the outside world. Can't blame them for stretching stuff.