Thanks!
The way submitters didn’t played by the rules
It is not that the submitters did not play by the rules. The 'rules' of the instance set the scope of the kind of communities that belong here, but I would not expect users from other instances to be aware of these rules. So, it was a mistake on my end not on any poster's. It would have been better to react sooner, but better now than later.
There are ways this community could have been both science
From the name my impression was that the community was about more aligned with futuristic sci-fi, which would be a bit on the edge of the scope but acceptable.