Sorry folks, experts do know a lot… and, at the same time, they should be vulnerable and open to challenge, unseating, overturn and maybe ridicule. But to do that means more than just sounding off!
She’s responding, of course, to the rather dim soul who had the temerity to pretend knowledge at her on the twitter. Read the account here. And, again, she’s right. You don’t get to sound off just because you want to, you have to do the work first. Or, quite frankly, I’d add, just shut up.