Not a fan of Dave Ramsey. I put him in the same category as Robert Kiyosaki in that he "gets people thinking about money", which is a good thing, but the vast majority of advice he gives his readers/listeners is really far from optimal. Some of it is downright harmful.
"Thinking about money" is a good thing! But then his readers/listeners go way too far and venerate him as some kind of amazing life-changer, and Super Awesome Complete Financial Guru Who Should Not Be Questioned.
These people give Dave Ramsey way too much credit, and themselves way too little. Some of his "Financial Peace University" grads are convinced that the ONLY REASON they got out of debt was that they attended his (expensive, imperfect, kind-of-cultish) class, read his books, or listened to his radio show. Newsflash: *You* are the reason you are making progress, getting out of debt, or living below your means. Dave Ramsey happened to be the guy you were reading who made something click for you, and you started getting serious and creating habits that were helpful.
It's pretty easy to see how Ramsey gets more than his share of credit. He helps people start their financial journey, and he has ENORMOUS reach (through his books, seminars, radio show, local providers). So yes, if you're making any progress on your finances, while spending time and money on Dave Ramsey's program? And he was the guy who got you started on this path? Of course you associate any and all progress with his program(s).
Ramsey deserves some credit for making something "click" for you. However, pretty much all he says beyond his basic advice of "Hey, you should spend less than you make and try not to have too much debt" is extremely poor advice. It's geared towards extremely unsophisticated, undisciplined investors, who are riding on the "high" of starting their financial journey.
At the end of the day, if you are an investor beyond the "hair on fire and not even aware of it" stage of things, Dave Ramsey's advice doesn't offer you very much of substance. His books are the "Dick and Jane" books of personal finance - geared towards beginners, but not exactly offering much of value to people past that stage.
He's good at getting people to "think about money", so I hope he continues to help people do that. However, I sincerely hope that people use him to start their journey, and then stop listening to him and move on to better sources.