Forget front lines, he wouldn't qualify as a REMF. (google it and expand your knowledge)
That said, a casual negative encounter from a girl working in a store would be disregarded by him pretty easily, not take root to the point of chronically wounding his feelings for months on end.
Fragile as he looks that would make him stronger than you. Think about that
I'd burn him, Soros and a thousand others at the stake. Send a hellfire through their bathroom window while they're taking a shit and purge this big blue marble of all its problems.
The military is for breaking shit when all else fails, not handing out chocolates, smiles and being diplomatic, simple as that. The "battle for hearts and minds" means putting a hole in one and the other will always follow, that's how you win.
FYI.. The ignore feature only works when he's signed on.. otherwise he can read every word when he's lurking in *** LMAO!!**** I know this.. because.. I put him on ignore once .. so yeppers...he can see it signed out :)