Any idiot can be a Muslim.
In this case, some freaked out German guy on some pretty heavy stuff....did some knife act at a railway station and uttered the immortal lines of a Muslim fanatic. Afterwards, the cops find the guy to be incoherent and unable to be of any use...except to arrest and hold til his high wears off.
Any individual could wake up tomorrow and find his willingness to live dissolved, and the only anchor is some Mullah “Joe” character who keeps wanting you to do something for the “greater good” (never defining that greater good). Anyone can be brain-washed and duped into believing some lifestyle like this. However, guys on meth or some heavy narcotic don’t really count because they can’t form any logic or reasoning while in a stupefied condition.