I don't think anyone would've complained if the localization's quality was on-par with AA or Vagrant Story, but it looks to me like that isn't the case.
Probably because "installing unsigned code from an unknown source" is a mouthful. Installing implicitly means "from within the walled garden" on these devices.
It's cat and mouse when it comes to banning, even with hwid signatures the cheaters are able to use sophisticated spoofing techniques. Also there are side effects like legitimate players buying second hand pcs that have been banned.