Originally Posted by
canadiancow
Even if you aren't covering the other seats, should you really be taking a seat in an empty 4-block when there are other seats available?
What’s to say there wasn’t 3 other people in the 4-block that just got up and left me behind alone?
Even still, I’ll always choose an empty block for myself and happily move to accommodate a group of 4 if I noticed them looking around for a space.