The phrase "unnecessary confusion" means that confusion or misunderstandings are happening that are not needed or justified. It implies that the confusion could have been prevented or avoided. Full definition
I'm personally not a huge fan of dual - brand hotels because it adds unnecessary confusion to guests who may not know if they can expect a consistent experience. (uponarriving.com)
Multiple federal standards on private transfer issues will not benefit homeowners or the real estate industry and may lead to unnecessary confusion in the market. (nar.realtor)
First, the names chosen for the pit bull and related breeds by the kennel clubs are poor choices, leading to even more unnecessary confusion. (workingpitbull.com)