"No" --Every company that does moderation and spam filtering.
"No" --Every company that does not publish their internal business processes.
"No" --Every company that does not publish their source code.
Honestly I could probably think of tons of other business cases like this, but in the software world outside of open source, the answer is pretty much no.
Then we get back to square one: better no rules at all than secret rules.
This would also be less of a problem if we didn't have a few companies that are economically more powerful than many small countries running everything. At least then I could vote with my feet to go somewhere the rules aren't private.
"No" --Every company that does not publish their internal business processes.
"No" --Every company that does not publish their source code.
Honestly I could probably think of tons of other business cases like this, but in the software world outside of open source, the answer is pretty much no.