BobDDuck
Island Bus Driver
I think he might be referring to the dreaded internet-phenomenon of "scab-creep". Wherein everything anyone does that someone else doesn't like suddenly becomes "scabbing". Which, it turns out, has a very clear and succinct definition. To wit, "crossing a picket line".
Nobody called him a scab.
Several people implied that he was an idiot.
You can be one without being the other, however you can't be the other without being the one.
I think you know which is the one and which is the other.