Well, the Time Lords glossed over that quite a bit. It didn’t just change his appearance, it also changed his personality. The only thing he really kept was his memories. It’s called regeneration, and every Time Lord gets 12 of them; it’s their way of cheating death. What you saw was less of a trial and more of an execution.
Third: We can speak for ourselves, Rhewin. But yes, the Time Lords have become an arrogant lot, looking down upon the universe from their towers. An eternity of the powers of time have lead them to confuse themselves with gods. It’s the reason I took the TARDIS in the first place.
Second: Things don’t sound much nicer where you’re from, either. Tell me more about your planet. Who are the rulers?