Apparently not. I will endeavor to remember that I may attest to how things seem to be without running afoul of that rule, but that I may not testify as to how they are.
Or do you feel that my interpretation is in error?
IOW, when we are playing around in the sandboxes of philosophy and theology (and crevo in this case) - the players are mostly all sincere although many are irreconcilably different in their worldviews. So we should be as respectful as we possibly can be.