- was this disinformation (i.e. emails were fake?)
- or, was this hacking (i.e. the emails were real but NY Post shouldn't have them?)
Twitter clearly claimed the latter, in other words they were confident the emails were real as soon as the story broke out (!!!)
Impressive journalism on their behalf, but to put sarcasm aside, this is why it's impossible to censor in real time. There is no time to evaluate a story in minutes so your biases (or, worse, corruption) needs to fill the void.