I actually hadn’t checked the PEP to see if it listed any objections, but the point still somewhat stands: what do we know now that hasn’t already been gone over? What new information do we have? If you look through all of the previous discussions, they all petered out, partly because one of its original authors is no longer in favour of it. (Unless that’s changed, in which case, that would indeed be new information.)
So, why did all those discussions falter and fail? What is different this time? Is there a compelling argument that we haven’t heard yet?