The problem with “spirit-of-the-law” is that having rules be subject to discretion is a pretty clear avenue for discrimination and abuse. Not as big of a deal for an Internet forum as it would be for, say, a country's legal code and the enforcement thereof, but the lack of a clear standard for a rule makes that rule hard to follow and harder to enforce impartially.

The typical problem with trying to create clear standards with no spirit of the law is that it never matches the intentions with the 1st, 2nd, etc iterations of developing the clear standards. At least when trying to deal with something nuanced. It can get to the point that it takes more time and effort to follow the clear standards than to think through it fresh each time. The rules can also eat up time and effort to maintain and distract from the original purpose.

"Don't post generated comments or AI-edited comments."

What about non-native speakers? Can they not use translation software like google translate any more?

"Don't post generated comments or AI-edited comments, except for translating to english"

What about cases of disabilities?

"Don't post generated comments or AI-edited comments, except for translating to english and when used as assistive technologies."

Some translation tools and assistive technologies are still going to case the same issues that we have right now so maybe limit the technologies used

"Don't post generated comments or AI-edited comments, except for translating to english and when used as assistive technologies. Technologies x, y, z are not allowed a and b and similar can be used for translation c and d as assistive technologies"

But we do not want to spend time/effort on filtering technologies and/or people into the above categories.

In the long run we likely will come up with technologies that most everyone is satisfied with using in different use cases, spelling grammar, assistive, maybe even tone, and others.

In the mean time we can not let the perfect be the enemy of the good. If there are clear standards that achieve the goals, great, if not we have to do something until everything shakes out.