User blog comment:Miskos3/Fairy Tail Episode 237: Tartaros arc Prologue: Natsu vs. Jackal, Review/@comment-69.250.103.120-20150614204402/@comment-7418318-20150615162438

For the first, because she'll be moving in the scene. How could they justify her hair sticking to the same places while she's moving?

For the latter, that will probably work just like in the manga, because unlike Erza Mira isn't going to move around in the upcoming scene and will only be shown for a few moments anyway, so they can just reproduce what they did with Minerva.