The whole "25 things that successful people do" completely ignores the entire question of whether unsuccessful people also do those things, and therefore whether those things have anything to do with success.
Survivor bias is so prevalent in any thinking about "what makes someone successful?" that yes, it would be much more effective at this point to consider "what makes someone unsuccessful".
I'm willing to bet that the things we consider to be signs of success are actually table-stakes, in that both successful and unsuccessful founders do them, and the thing that actually marks the difference between successful and unsuccessful founders is luck.