Experienced people seem fast at solving problems because they have seen similar solutions before. Not necessarily because they have a faster mind.
It's a mistake to assume that because someone is better than you at something, you are less intelligent. It simply doesn't follow, and as the OP is experiencing - leads to low self esteem.
Not all cultures are unhelpful and competitive. Take it for what it is - a tough culture rather than a group of unpleasant individuals.
You have little to lose by assuming that you are correct in your belief that you can learn and by being respectful but persistent in recruiting your colleagues to help with that.
It's a mistake to assume that because someone is better than you at something, you are less intelligent. It simply doesn't follow, and as the OP is experiencing - leads to low self esteem.
Not all cultures are unhelpful and competitive. Take it for what it is - a tough culture rather than a group of unpleasant individuals.
You have little to lose by assuming that you are correct in your belief that you can learn and by being respectful but persistent in recruiting your colleagues to help with that.