Ejection without an out?

[Snocatzdad]

How is this not DMC (dumb move catcher) for standing in the base path with no play on?

I didn't see in your post that the runner altered course to cause collision, simply that given the fact that she was obstructed she chose a direct path to the base through the fielder as opposed to altering course.

I see this all the time with F3 not giving up 1B on an extra base hit and runner has to muscle through the player and bag. Is it USC to take the path you would have taken without the OBS???