Who is the strongest escaper on KGS?

guxxTTTTTT from Taiwan is 8-dan on KGS and he is undefeated. He crushed such a strong players as Cornel and High55. But ...
He escaped several times, instead of resigning.
Here is the recent example.

What do you think about such method of keeping 100% winning record? Quite unusual for KGS ... And more typical for IGS server