Perhaps the Tories have not been quite as thorough or swift as you suggest.
'A spokesperson for the Muslim Council of Britain said the posts showed "the scale of Islamophobia at all levels of the party is astonishing". The council repeated its call for an independent inquiry into anti-Muslim abuse within the party.
...
Warsi, who has campaigned on the issue, said the party had "a deep-rooted problem of anti-Muslim comments, Islamophobic comments, racist comments".