re ISIS: Sometimes turning the other cheek is not an option.

[Yorktown]

30. Yes. Because the faithful accept things which can be disproven

Three examples from your latest post #29 above:

(1) because radicalisation doesn't happen in the mosques which are surveilled around the clock, radicalisation happens in private homes and on the net.

That is false, by the own understanding of European authorities. They report a gradual encroachment of Salafi preachers in the mosques. So yes, mosques in Europe are monitored, but no, it is possible to get radicalized in a European mosque. I can give you three examples without even googling:
- the Finsbury Park mosque which bred a few terrorists
- reports by French police Salafism is growing in the banlieue mosques
- the German imam who preached a woman cannot refuse herself to her husband

(2) For over 1400 years not a single word has been changed in the Koran.

It is a myth that Muhamad left a Quran which was not changed after his death:
First , it is well documented that some original Surahs were lost
Second, Uthman burnt the parts of the Qurans he alone decided were not original
Third, we now have different Qurans with -agreed, minor- variations.

(3) Even during the crusades when they tried to wipe out Islam

The objective of the Crusades never was to 'wipe out Islam', something which the Crusaders would have known to be impossible after all the military conquests and conversions of Islam.
Two of the multiple objectives of the Crusades were:
- to restore right of passage for the pilgrims to Jerusalem (something the Seljuks had denied/restricted)
- to relieve the pressure from the Caliphate military pressure on the Byzantine Empire.