Yes, and if you’re interested in Heidegger’s refutation of Descartes/the Western philosophical tradition, the Cerbone guide has an excellent chapter. The objection that you’re alluding to is Heidegger’s belief that skepticism, the belief that knowledge outside of the self needs to be proven for philosophy to exist, is a wrong-headed approach. Like you said, Heidegger believes that a focus on being and its interaction with everydayness (being-in-the-world) is more direct.

In many of the critical works I’ve read, it has been suggested that new readers should not read Being and Time as their introduction to Heidegger. My personal favorite is the Cerbone guide, but I’m sure there are other good companion books.