A Trojan is where the attacker gains direct access to a protected system. It is a back door disguised as an innocuous file. The whole point of the Trojan Horse was the Greeks hiding inside of it to get into Troy.
Where is your evidence that Marak Squires gained access to any of the systems that downloaded and used his packages?
I think there is two aspects of the word "trojan", but it does not imply "remote command and control", it's often that, but more broadly it means something that is disguised as one thing, but is not.
A Trojan is where the attacker gains direct access to a protected system. It is a back door disguised as an innocuous file. The whole point of the Trojan Horse was the Greeks hiding inside of it to get into Troy.
Where is your evidence that Marak Squires gained access to any of the systems that downloaded and used his packages?