I really support the essence and ambition of the Sunday Assembly. However, Atheism's greatest strength will always be it's intrinsic inclusiveness, honesty, openness and enlightened spirit. This must not be forgot in an attempt to market the Sunday Assembly as a friendly (yet ignorant) song and dance.
It's important to recognise the diverse backgrounds that constitute our national cultures in contemporary society. As Mark Hammond of the Equality and Human Rights Commission writes, "It is indisputable that Britain has benefited for centuries from its own Muslim heritage. There is much more to be gained from the sharing of culture and art, humour and humility."