Yes, but Islam has reminded us why borders, culture and language are important if we are to stay free. That, I think, is the gratitude to Islam that Williams had in mind and I agree with him on that.
No it is not. The man is a dhimmi and Islamic butt kisser who support sharia courts in the UK. The man is a huge part of the problem. If he is for freedom he would not support sharia in any form.