*looks at all the faq's within weeks of codex releases, looks at big faq's, looks at chapter approved* huh, it's like they did a lot of soul searching since 5th edition and care about the competitive side of the game.
Am I expecting perfection? No, but this could of been addressed when they blocked fly from charging across screens and was not. So heroic intervention on units that haven't charged on your opponents turn is perfectly fine because it's up to my opponent to not put their model there which adds another layer to the screen