My entire perspective on "writer's block" shifted after surreptitiously stumbling on Jerry Weinberg's book "The fieldstone method". I very rarely now start with a blank page and very rarely beat myself up for "writer's block". In a nutshell, the book describes how the act of writing can be broken down into many stages: sometimes you are collecting "fieldstones" (i.e. research), sometimes you editing, and sometimes yo…
But, as I say, I agree in general and it's one reason I like to start out in Scrivener for biggest projects. It lets me pull in research and start working on some bite-sized chunks related to that research (or other material) rather than trying to craft some grand narrative starting from a blank sheet. (The narrative hook can be the hardest thing to come up with so it may very well not be what you want to start with. (You'll probably throw it out anyway.)