Exactly. They pick at minor things so that when she does royally screw up (like the Norma voicemails), she can chalk it up to, "Well you criticize me for any little thing, so how is this any different?" It just reassures her that she doesn't do anything wrong when the haters act irrationally.
It's just like when they called animal control on her for Twinky's nails, in a state where animals have the least amount of rights. Animal control didn't see anything wrong so Amber got to flaunt what a perfect amazing fur momma she is.