@Mr_NutterButter imho they aren't fully coping. While there is no such thing as an alt-right pipeline, simply another example of the classic "everything I don't like is Hitler", the observation isn't completely out there.
A lot of impressionable and/or low-IQ people tend to swing wildly from one extremism to another. It just has nothing to do with growing up or becoming reasonable. When you hear those people talk they can barely string a coherent argument together and don't know very obvious and common facts.