That's mostly because their target customer is big enterprise who feeds on buzzwords they can feed to upper management. It's similar to the websites of SAP, Oracle and Intel, which all have the same qualities:

- No up-front pricing, you need to get a quote

- No screen-shots, you need to see a prepared demo

- Any contact what the company results in assignment of an "account manager", the used-car salesman of the software industry.

- Lots of testimonials from people you've never heard of talking about software you've never heard of using the very same buzzwords found on the website.