What you are saying does make sense Liz & one of the reasons that labels can be dangerous.

I actually think that PA is usually unconscious. Continuing lateness, not putting things away, long phone calls when others are waiting can be lots of things. But coupled with an inability to accept the opinions, ideas & thoughts of another, umderhanded digs (or conversely assuming others are behaving this way) is seen as PA...

However, as you rightly pointed out it's something we are all capable of & need insight to ensure we don't do that.

Personally I believe that the silent treatment, walking out etc are also PA responses & I don't think it helps the situation to use them in reverse... (but that's just my opinion! )