No, it's not just my personal view.
We're talking about empirical knowledge of the world around us, so "proof" is the wrong standard. Inductive reasoning - the same thing we use to tell us that dinosaurs are extinct, for instance - can yield a very high degree of certainty, but not perfect certainty.
... and I would say that based on the evidence available, inductive reasoning allows us to say with a high degree of certainty that no gods exist. I would argue that the conclusion that gods do not exist is supported to a higher degree than the conclusion that dinosaurs are extinct... or many other conclusions that we all take as unquestionably true for all practical purposes.
... but even if we say that the jury's still out and we don't know either way whether some god exists; religion would still be completely irrational: anyone who can't conclusively say that God definitely exists is in no position to say that God sent some message/prophet/messiah/miracle/whatnot to humanity, or that God wants everyone to go to church (and tithe) once a week, or that a particular person speaks for God, or that Heaven/afterlife/reincarnation/whatever is real, etc.