Well.....that's one experience I guess.
We don't promise that any toilet will never clog. Some people will flush shoes down their toilets. Or at least try.
Normally what I've seen, is that the Toto will clog less often then the Kohler trapway. The Toto has better routing which points the waste down the drain. But then again, depending on the paper used, or the things flushed down, anything can and does happen after the installation. I've even seen people flush the box that the wax comes in down the drain, creating a nice plug for the next user.
I notice that you initially said you were from New York, but your IP address is Plano Texas? A little confused?
Toto points the waste down the drain. The Kohler doesn't