In most films - especially in regards to the protagonist - really from the get-go they set up some scenario that endears that character to the audience. Or imbues him with some nobility or heroism or something. ↗
It's a very complex scenario, and certainly Dave was, and is, not the only person in Pearl Jam with personality flaws. Everybody in this band exhibits some form of neurotic behavior. And we couldn't find a balance, a mutual respect for each other. ↗
So if I could just go back now to something which I am sure we should cover here regarding our original scenario: we have, in fact, four ways - four major potential lines of research. ↗