I have said several times that Uther is a terrible King...
I agree. Uther is so predictable - It's magic! We must find them and kill them!
The man simply doesn't learn. The character hasn't evolved in any significant way. He gets an idea in his head and won't listen to anyone who offers a dissenting view. His behaviour has killed or nearly killed several people close to him, yet I don't think I've once heard him apologise. Maybe not apologising is a royal prerogative...I dunno.