Either they're incompetent script-kiddies and the fault lies with the admins with unpatched servers, or they are competent and have access to, or have written u

Either they're incompetent script-kiddies and the fault lies with the admins with unpatched servers, or they are competent and have access to, or have written undisclosed exploits. There is no middle ground, and unless you have some information that we do not, there's no reason to conclude that they are script kiddies. Being mischievous and being intelligent are not mutually exclusive.