Playing through FO4 faction questlines again reminded me of some little things.

BoS hitler youth can't be killed (like all children in Beth games).
Spoiler warning:
They can be killed indirectly off screen if you blow up the Prydwen


Shaun pisses me off, he has been completely brainwashed so...
Spoiler warning:
Other than doing the Institute questline (who likes doing that anyway?), when the time comes to assault the Institute I shoot him in the face on his death bed You're such a disappointment son.