Does this instance have a concrete guideline or precedent for that or would be able to decide at the discretion of an admin?

Communities with no connection to programming culture are removed as a general rule. Other than that, it's decided on a case by case basis. It's not that uncommon for us to remove new communities that are created. We've removed the community + one another

i tend to handle my debugging stuff the way i deal with old cables in the drawer. don't get rid of them, there will be that one day (propably not) when all hell break lose, i'm happy i din't toss it.

but yeah, from a secruity perspective it's bad practise.