I don't think it's fair to review a rental unless I'm the first customer to drive it. Some idiots are purposely abusive to rentals.
I rent all the time, sometimes 2 or 3 vehicles per week, and I don't find that to be the case at all, most rentals are just fine with regard to quality. To bolster my point, just where are all these rentals being abused? The roads are crowded, the cops are everywhere and people can spend just so much time really torturing these vehicles before they are simply driving along with everyone else.
I've found the rental experience to illuminate a vehicle's strength and weaknesses.
It seems the OP found a few weaknesses that will show up early.