Let me tell you an interesting story.
This morning, after accidentally pressing the "mass invite everyone to connect" button on the mobile app (which for some reason does not require confirmation), I complain to LinkedIn about them hiding the "remove connection" option.
They reply, asking me to refresh the page (or check a tutorial way too long for what should be a simple action).
I refresh and what I get is a different layout, this time with an added "remove connection" option at the end of the drop down.
So basically LinkedIn has two version of the same page. One with what seems to be intentionally bad UX to stop you from removing unwanted connections. The fact that they even have a version with it means they know that this is shitty UX and have their own reasons for keeping it out. Really sketchy.
Disclaimer: I definitely might be getting this wrong, and the new layout might just be a new layout that they're slowly transitioning people to. That's also the only way that any of this is somehow acceptable.
Either way, I've never seen someone manually flip a switch on A/B tests to give someone a more usable layout and solve their problems. Kind of fascinating.