I can understand the appeal for this book. Coming from an MBA background, I needed an accessible introduction. I would argue the first 10 chapters of this book are fantastic! After that the author seems to skim over some details. I got an intuition behind the mathematics indeed, but was not able to solve the exercises easily!
The main issue with this approach to mathematics is that, you understand conceptually but applying it to problems is tricky. For that, you need more rigorous books.
I think this book can be a good stepping stone to more complex books like Shreve.