Or instead of being afraid of being influenced, become the influencer.
There is a halacha that salted chickens can be placed on one another although the blood is coming out, because since the chickens are expelling blood, they won’t take in any.
So too bruchnius. See them as a tzelem Elokim, and a part of Hashem’s Creation , and teach them about their role in the world. Sheva mitzvos bnei noach. Morality. Goodness and kindness. Etc.
My father did this in Microsoft for years. I do it in cabs.