To be fair the oil is there for a reason, it's not excess oil unless you believe the overfill BS, it's leaking because of poor design, hence the reason they have designed a modified breather, the wouldn't have needed to have done that if it was just excess.
no one has been able to answer the question on the long term affect on the moving parts of the reduction gear box, bit naive to think it would make no difference, do you think they added it for no reason?
At least one member has had his undertray ripped off when the bulge caught standing water, so again does make a difference