Is it not dangerous to have students study together for years, copying the same models and approximately the same path?
Learn to say no in situations where saying no can be difficult, where it could mean getting fired. Say no anyway, because it could lead you to greater opportunities.
There may be fairies at the bottom of the garden. There is no evidence for it, but you can't prove that there aren't any, so shouldn't we be agnostic with respect to fairies?

