Well, yeah. We all have gaping blind spots in our own chosen traditions. I've done it myself - and I bet you do too.
Yes, but I'm quite vain.
So, at best, I try to remain open-minded enough to allow others to point them out to me. At least those whom I either love, respect, or both.
(No, it's not a perfect system, but it's the best that I'm personally able to manage).
Best, OP