Yeah, except when the ship suddenly changes speed or direction and slams them into a wall, floor and/or other people. Magboots seem like basic equipment that everyone learns to use at a very young age.
Are you kidding? Being stuck to one surface by your feet when subjected to such an acceleration would just break your ankles or something. Or send your head flailing into the nearest hard surface at high velocity. It's the worst imaginable way to anchor yourself against acceleration. Handholds and seat restraints would make infinitely more sense, as would strapping in before the ship undergoes thrust or enters a situation where unpredictable thrusting might be required.
I mean, think about riding a subway or bus. Just having your feet on the floor doesn't protect you from accelerations. You still need to sit down or hang onto a pole or strap. And if your feet were actually stuck to the floor of the subway, so that you couldn' t easily move them to shift your weight, that would make it more dangerous.
Magnetic boots have been tried in space in real life, and they can't work. The magnetism interferes with shipboard electronics, and spaceships are made mostly of lightweight materials that aren't magnetic to begin with. They're a necessary gimmick for shooting on Earth, but they're every bit as fanciful as any magic artificial gravity field. Even more so, really, since we actually know exactly why they can't possibly work as shown, whereas at least artificial gravity can be presumed to be based on some as-yet-undiscovered principle.
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