One of the authors of the post here. We prefer sticking to the facts rather than speculating the account was compromised without having a solid proof. Someone on /r/netsec also had an interesting theory that this might be an intentional backdoor[1].
For what it's worth, the project referred to in the post is free, open-source, and unrelated to the commercial offering.
For what it's worth, the project referred to in the post is free, open-source, and unrelated to the commercial offering.
[1]: https://www.reddit.com/r/netsec/comments/z30465/comment/ixlj...