It may seem that way. But most of the open supporters of AL quaeda and the like are in our pay.
For the British it is a case of pride over the power of our passport. And also the lack of getting a fair trial did not help. Had it been in a US court then no one would have cared.
What do you mean? Are you referring to the likes of that fellow in Tottenham or where ever he "preaches"?
I've been out the UK (emigrated to the US) for a few years so may not be up date on to all the reports on this.