

In addition to weapons, crewmembers had bulletproof vests, rifle scopes and camouflage fatigues
They clearly weren’t smart but it’s obvious they had lethal intentions. If anything was trying to be smuggled it would have been confiscated, yet nothing of the sort was found. plus there are far easier ways to smuggle through legal channels than on an armed unauthorized speedboat. Nothing about the smuggling angle holds up

Once the wounded are treated we may have more info on what exactly they were planning, and if any government backing was involved. But I think them being vigilantes makes more sense currently