>>74021800octopodes tend to grab unfamiliar stuff as a reflex, since they have major brain functions in their tentacles and they use the suckers to taste you, etc. i tend to think of it the same way as humans incessantly staring at animals which they also find pretty terrifying, but then humans also can't keep their hands off shit. big boys like this are pretty smart and chill, they just don't understand you and are trying to get a good look, not really something to be concerned about.