I think for some of them, the pandemic has really hit and they've not got as many events to attend, so they're just trying to fill the gap with what they think we all want to see - fashion!
Kate doesn't have her full time job anymore, so before she wasn't putting as much on Instagram as she was working, but now she has more time on her hands. I do wonder how much they all earn from this kind of work, it must be a good living as assuming most of them have mortgages and bills to pay, they all seem to be doing better than most of us, who have full time jobs!