Didn’t she get hacked though and had to rebrand?
So, what I think happened there is around that time, a lot of agencies popped up claiming to get you legitimate followers. They would call themselves something fucking trite like "growth specialists" or whatever. They basically claimed to know how to overrun the algorithm and, in order to do that, needed your login details so they could manage your account. All they did was follow people from your account, then when they followed back, delete them. Silly strategy.
Most contracts contained a clause that they could post ads on your page as you. I don't know if you recall, but around that time, random ads for shit like blinds or other unaffiliated rubbish would show up on her page. That's what makes me think she was paying a growth agency.
The stinger is, you're handing your login over to people you don't know. They could lock you out if you miss a payment, or simply sell your page on to a company looking to make a quick buck (they do so by locking you out of your account, mass posting ads so they populate your followers pages. They know everyone will unfollow, but it's worth it in advertising for that one big audience hit).
This actually happened to a dear friend of mine who had a successful beauty page and it devastated her. Jeff is a bully so I've no sympathy there, but I do feel for anyone who has fallen foul to this.