Just like he was fast enough to avoid the fan, or the stake without the aid of Kakashi's Kamui, or Obito's hand [
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] etc. No. Naruto isn't always moving at max speed, it
is possible to hit him before he gets you,
especially when you have a technique which
prevents you from being hit at all.
Well yeah, unfairly take away powers if it suits your argument.
If Ma and Pa are with Naruto, then he'll be able to see when the technique is about to be used. Gamarinsho isn't instant, it takes time to catch the foe, they need to listen to the chant for a solid amount of time (the paths had been listening to it for a while before they were caught) [
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], leaving Obito with more than enough time to teleport his head (with his near-instant Kamui). If you're saying that the two frogs will be by themselves, then they'll be crushed or destroyed before they have time to prepare it.
No. Clones are crushed by the gunbai or Mokuton Sashiki if they get close.