Like all the patimokkha rules, the pancasila have loopholes, they are not expressed anywhere, but there are situations where it is not avoidable yet not deliberate!
The problem with simple things is that the mind wants to make it complex is some way, yet just following the letter and spirit of the rules is very simple, how easy is it to walk down the streat and not stab someone in the neck with a #2 pencil untill they die from it?
how easy is it to just not have something when you can not afford it, instead of taking it without permission?
how easy is it to have consentual relations with someone?
how easy is it not to take intoxicants?
or how about that pesky having to tell the truth?
you seam to be being elevating these things to some mythic feat, a herculean task few can do, when in reality it is the recognising where you are erring and correcting that behaviour which leads to progress on the path with the precepts, and in the path in general.
He who knows only his own side of the case knows little of that. His reasons may be good, and no one may have been able to refute them.
But if he is equally unable to refute the reasons on the opposite side, if he does not so much as know what they are, he has no ground for preferring either opinion …
He must be able to hear them from persons who actually believe them … he must know them in their most plausible and persuasive form.