I clicked the link AuraChannelerChris mentioned.
Jesus Christ raping Roosevelt on Mars, is that an OFFICIAL video?
It's designed like that because of their tails, apparently. They don't seem know how to move their tails aside, I presume.
Oh. I thought it was because certain features of a dog's anatomy would cause them to pee upwards, except it doesn't actually address that.
Also given the positioning of the censor blob I guess they have human-like wangs.