Don’t let people merge in front of you, ever. When you merge, you're merging in front of somebody, so a rule like this, universally followed, is effectively a

Don’t let people merge in front of you, ever. When you merge, you're merging in front of somebody, so a rule like this, universally followed, is effectively a ban on merging. How's that going to work, exactly? Travel time isn't the only consideration. Things like safety, fuel consumption, and stress levels are important too.