inefficiencies of translink

so i got to the bus stop at 7:54 this morning, waiting for the 43. when the bus came, there were 2 43's stopped at the red light (7:53 and 7:58, assume?). when the light turned green, the first bus (no more than 10 people on that double bus) blew right by everyone. the second bus (pretty much full) stops and lets on ~5 people. now, i would've gotten on that bus were it not for a couple of guys who cut the line and this one woman who seriously just snuck in right in front of me.
anyway, onto the point of this post: why couldn't the near-empty bus stop and let the near-full bus continue on? no one got off when it stopped so it would've been WAY more efficient for the two buses to switch schedules (if that was the case).. input/anything similar happen to you?

 

haha. worst i've ever seen was in ottawa right along the street where parliament is. at least 7 buses lined up one after the other stopped along that street. and traffic was BACKED UP