When to Move Over vs. CB Abuse

For all of you experienced, seasoned drivers; a combination question:

Background: I have been driving solo only 1 year now, I think I am doing alright most things considered, but today I was badgered on the CB radio for not moving out of another driver's way. The highway, I-85 N, in SC in this area was 4 lanes, I was in the 3rd lane from the left, I had to pass another slower truck (hard to believe as I drive for TMC), with my signal light on to change lanes back into the far right, that truck speeds up then I hear an enraged trucker spewing all manner of expletives for my not getting the hell out of his way! Then the driver of a bobtail, who has the IQ of "1", as was evident by the finger he was wagging out his window at me, spitting obscenities at me flies by, I'm thinking where the heck did he come from, I swear he wasn't even in my lane??! I didn't respond to him over the CB but rather let him go speeding on ahead.

Was I in the wrong by not moving over faster? I try to give the vehicle I'm overtaking as much room as I hope to receive when I am the one being passed. And also, what's up with the lack of etiquette that is rampant on the CB radio?

 

Thanks, actually he went by too fast to see any response.

I typically do the same, the company does not encourage frequent lane changes.

I definitely agree with "trash" as a term for the radio. I only use it in congested areas and such in case there might be something of note ahead.