Not really. I was fine with “no blood allowed.” It’s simple. ^^This sounds like too much twisty logic aiming to placate.
If it were merely about the presence of uncontained blood, then the command would be to clean up, use some kind of hygiene product (which they very much had in Roman times), etc. But that's not the point. Another canon (13), by St Basil, makes this point about hands "bloodied" by war:
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Our Fathers did not consider murders committed in the course of wars to be classifiable as murders at all, on the score, it seems to me, of allowing a pardon to men fighting in defense of sobriety and piety. Perhaps, though, it might be advisable to refuse them communion for three years, on the ground that they are not clean-handed.
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Perhaps they had a different means of scrubbing than me, but even the most haphazard attempt at cleaning will get the blood off in time. Even the natural shedding of skin means that no blood will remain after a period of days to weeks. And yet St Basil mentions *years*. Why? Because it is not primarily about the practical, but the allegorical.
This can be seen all throughout the Fathers, but one particularly graphic place is in St Paul. He writes "which things are symbolic. For these are the two covenants: the one from Mount Sinai which gives birth to bondage, which is Hagar—for this Hagar is Mount Sinai in Arabia, and corresponds to Jerusalem which now is, and is in bondage with her children—but the Jerusalem above is free, which is the mother of us all." (Galatians: 4.24–26 | OSB/NKJV). This is striking because he is not making a simile (Mt Sinai is like Hagar) or even a metaphor, but seems quite serious about allegory—and this is his primary reading of the Scripture. Where is the practical concern? If is it there, it is subjected utterly to the Christological.
If needed, I'm able to provide many other such examples. This is how the Fathers thought (and how today's Father think). If something is "simple" and obvious to us, steeped in everything from Protestantism to secularism to paganism, then that probably says more about our cultural blinders than the truth of the matter. We have to go deeper and really attain to an Orthodoxy of the the heart, as St Seraphim Of Platina writes (just celebrated his feast day—I'll post a short relevant excerpt below!). If we stop at what is culturally convenient, we are likely to miss Jesus Christ.
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The opposite of the loving heart that receives revelation from God, is cold calculation, getting what you can out of people; in religious life, this produces fakery and charlatanism of all descriptions. If you look at the religious world today, you see that a great deal of this is going on: so much fakery, posing, calculation, so much taking advantage of the winds of fashion which bring first one religion or religious attitude into fashion, then another. To find the truth, you have to look deeper.
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—St Seraphim Of Platina (God's Revelation To The Human Heart: 2)