it can't be understated how insanely hard it is to get maps right and that not getting them right (e.g. not having them or problematic implementations) is prone

it can't be understated how insanely hard it is to get maps right and that not getting them right (e.g. not having them or problematic implementations) is prone to produce subtle security vulnerabilities in large projects. Most times DoS attack vector not cought by normal (D)DoS protection (especially with micro services they can be nasty).