These well-meaning but vapid cliches too often result in people dismissing any valid and reasonable concerns as "negativity". Contrary to what Americans are typically taught in school, most people are not much above average and there are only so many options available to any given person at any given time, and most of those options aren't going to lead to fame or fortune. Failure to recognize this can lead to people wasting time and resources in pursuit of an outcome that will never be realized.
Russ has been at his Celebrity/Instathot Love Quest for more than half a decade with thousands of dollars spent on song production, lawsuit fees, Fiverr gigs, etc. All this time and money he spent, and all he's earned is ridicule, infamy, and an electronic harassment conviction. He gave up on a paralegal career, which could have provided him with a decent living. He pushed away everyone close to him who tried to steer him away from this path. Now he's working some dead-end job living in a ghetto shithole apartment, spending his free time slobbering over chicks on Instagram. Russell's life is Exhibit A as to why this kind of "positive thinking" is as much of a trap as the relentless pessimism exhibited by some other lolcows e.g. Spoony. It would be sad if he hadn't revealed himself to be such a terrible person.