The MCL is a far, far more minor injury than the ACL, and doesn't affect the W's re: Rush's return time. He should be cleared to resume playing in around August-September, regardless.
As a STH, I get what they did. Why incite a panic in April when it could be a non-issue in November anyways?
But man I'm beaten down from saying the same thing over and over. At this point, I think I'm just gonna sit back and watch the emos whine about this, be inaccurate, and try and rally people online to only see one side. Because massive teen groupthinks are usually accurate.