"Tweet As User" is the basis for almost all social media management tools and Twitter still doesn't have very fine-grained permissions grants. https://developer.twitter.com/en/docs/basics/apps/guides/app...

We had a running gag in our social media startup of tweeting "poop" from people who left their phones/computers unlocked ... someone did it to an employee that was logged in as a customer (corporate brand) context and that was the end of that 'joke'.