I disagree I think it's interesting to look at and talk about. But jumping right in and using it to support your balance claim is not at all what it's for imo
This is one single 1v1 tournament that didn't include all maps in a game that can go up to 4 players per side and has different maps for each game-mode. I really don't see how you can take that and apply it to the entire game
1) That is why I used the term indication and not proof
2) This how science works, one looks at the stats one has and comes up with theories then chooses the one that fits the stats better.
Unless someone comes up with better theory about why PF where not used that much when they where available I am keeping mine.