User blog comment:TheFoolisherFoolishFool/I don't see Ridley being playable at all.../@comment-25161957-20141030062928/@comment-6604133-20141030065654

In fact, Melee doesn't even mention killing Samus' parents. This is what Brawl said about it:

"As the culprit behind the murder of Samus' parents, the connections with Samus run deep."

It's not that bad. Brawl wasn't rated M because of a little mention of it.