... And then you end up just going slower than the rest of the traffic, and people behind you change to the faster lanes to pass you, and some of the people passing you change lanes back to in front of you. And so trying to keep a longer following distance than the rest of traffic allows just means thtey lots of people are doing things other than just staying safely in one lane.
you're better off letting people change lanes to the lane they want to be in, and if you're not camping in the left lane then typically you'll find people changing lanes from the left lane to exit, or will change lanes through yours into the left lane.
if you leave lots of space they can do so entirely safely.
trying to prevent other people from changing lanes does not enhance traffic safety.
