I can easily believe either. However, while the default assumption of laziness/incompetence works well for good faith discussions, it also provides cover for m

I can easily believe either. However, while the default assumption of laziness/incompetence works well for good faith discussions, it also provides cover for malicious actors. At some point, even though any given actor is likely to be non-malicious, there is no way to distinguish them from the malicious actors.