…because it is more trouble than it's worth.
An exceptionally good article over at Black Triangle, I was going to comment on the Plans to make 'inciting religious hatred a crime', but this is so much better than anything I could write.
It also confuses me – If you believe in *insert almost certainly fictional, all-powerful entity here* and that entity tells you that all other religions are wrong, then isn't it a tenet of most faiths to speak up against 'false' Gods and unbelievers. Couldn't this be construed as inciting religious hatred?
For me the Christian God exists only in so much as it makes the shops shut early on Sundays and I get extra money for working on Christmas.
(Given our multicultural/multi religious society, shouldn't I get extra money for working on Eid, Guru Nanak's birthday and Purim? Or should I get nothing extra because I'm a godless heathen?)