I think if you outright attacked religion you might risk making a sort of perverse martyrdom out of it. I think it's best just to completely secularise and strip religion of any privilege or presence in the public space. It should never be outright banned.
"Adulthood is like looking both ways before you cross the road, and then getting hit by an airplane" - sarcasm_only
"Ironically like the nativist far-Right, which despises multiculturalism, but benefits from its ideas of difference to scapegoat the other and to promote its own white identity politics; these postmodernists, leftists, feminists and liberals also use multiculturalism, to side with the oppressor, by demanding respect and tolerance for oppression characterised as 'difference', no matter how intolerable." - Maryam Namazie
"Ironically like the nativist far-Right, which despises multiculturalism, but benefits from its ideas of difference to scapegoat the other and to promote its own white identity politics; these postmodernists, leftists, feminists and liberals also use multiculturalism, to side with the oppressor, by demanding respect and tolerance for oppression characterised as 'difference', no matter how intolerable." - Maryam Namazie