I happen to have used the techniques for the past 9+ years in a variety of different organisations from governments to large corporations to start-ups, from defence to insurance to high tech to pharma to car parking to heavy engineering covering individual systems to LOB to policy. The above is just the tip of the iceberg.
As a general rule, I find that good situational awareness helps but don't take my word for it!
Take a few hours to map out part of your own business. Start with reading the following two posts ...
... and then try it and decide for yourself. There's no book, consultancy gig, license fees or any of that stuff you need to buy. Literally it'll cost you nothing but your time.