looks like it'd be stuff smear city
On second thought, you're right. But, it'd be easier to clean than a normal toilet. You could have like some kind of scraper right next to a plunger, or something.
When I look down into the bowl I really don't want to see a brown mess post-flush.
The answer to all of your stuff smear problems already exists, it's called a Toilet brush.
i rather potty water going up my bumhole
At least you aren't doing this:http://www.youtube.com/watch?v=IJrWlHRT-18