The issue with pretty much anything that tries to have a roleplaying element to it is that it's simply not possible to explicitly account for every situation that players may run into. This typically means players need to approach such spaces with enough goodwill and understanding to be able to resolve disputes.
Any actions taken by a player that may put their In-Character life, freedom from imprisonment or general well being at risk must be done so in a realistic fashion and for beneficial reasons.
Let's take cigarettes, for example. Ingame, if you smoke, cigarettes damage you slightly and provide no real benefit. Thus, it may be fairly argued if taken at face value, that this is an infringement of rule 3.4. Obviously, the consensus in the group is that smoking cigarettes is fine, and the ability to use them is implicit permission in itself.
Now, let's draw a hypothetical. If there existed a civil war style musket within the game, a firearm with one shot and a roughly 30-60 second reload time, would it be realistic to argue that any person who raises such a weapon in self defence whilst gunpointed by 2 people standing far enough apart would be an act comensurate with rule 3.4? Obviously not, there is no way that you, as a person who
does not respawn and only has one life could take down both attackers with such a weapon.
However, if you have a fully automatic rifle capable of firing 600 RPM, maybe you have a chance.
A lot of the rules in PERP, at least when I used to play, were not rules that described in-detail each and every scenario in which that rule may have been applied, instead they were guidelines, roleplay ideas that you would use to think from your characters perspective to help influence your actions in a realistic way.
Basically it's vibes based idk, case by case basis and stuff.
From a roleplay perspective there are definitely sitautions where you can have a gun in your hand and should comply with attackers, but from a gameplay balance perspective I can't really judge because I haven't played PERP in a hot minute.
PS. polls are bad for coming up with solutions to complicated issues such as this