Bases shouldn't be able to be just walked in and out by raiders, it should be a uphill battle, favoring the defenders ( In cases where the raiders have the items and materials to get rid of the majority of the bases defenses are different ) especially if the base is protecting money making items such as the printer, bitcoin machine and processor. Bases are customizable per builder and some hold innovative ways to defend them, I.e. the small singular slits in walls that they shoot from. And if it was against the rules, the staff team would be on it like white on rice.