Earlier quoted context omitted.
I guess theoretically I could have had a career that's gone even better than the one I have had, but I haven't had any real problems with my approach so I think I'll stick with it.
Were you trying to say "My success proves me right"? Because the other reading is: You're not good at independent thinking, therefore you've never had those independent thoughts that made your bosses dislike you, and that explains why you had a good career. So, your success proves me right. Now enter into some introspection. Do you dislike me, now that I've suggested this? Or do I get brownie points from you for bein…
Maybe your streak of bad results isn't a result of disagreement per se, but of your attitude. If you usually present your disagreement in the same way that you wrote this comment, the I-Win-You-Lose attitude is a good way to needlessly alienate other people.