Togo - // Haha perhaps Berrky can tag her as "vulnerable" from now on. You know, so that we all go aahh. We used to call it doolally not long ago mind, before we were exposed to the precious virus. Lady Muck suits her. She is not alone in that of course, but does so "neeeed" to be he(a)rd. //
If Ms. Thornberry had addressed the Home Secretary, and said "Boggis Jameson .... I can't actually remember his name ..." she would have been called out by the Speaker for precisely the same reason.
I'm unsure why you wish to fail to grasp what was going on that day, but I will reiterate -
It is nothing to do with Ms. Thornberry being 'vulnerable' or being 'Lady Muck' - it's to do with Parliamentary procedure, specifically, Members are not allowed to be disrespectful to each other, regardless of their gender.
Speaking of gender - had my scenario been enacted, in which case Mr Johnson would have been the defended party, would you be quite so keen to be as rude about him?