Merkel has said words to the effect that Islam is part of Germany, no doubt the best part. But, not all establishment figures agree with her, totally:
http://www.breitbart.com/london/2018/03/21/merkel-party-ally-islam-little-contribution-identity-europe/
“A senior politician in German Chancellor Angela Merkel’s Union has said that Islam “makes little contribution” to the foundation of Europe and that Hungarian Prime Minister Viktor Orbán “holds the key” to solving the EU’s migrant problems. “Islam belongs just as little to Europe as it belongs to Germany,” Christian Social Union (CSU) of Bavaria Vice-Chairman Manfred Weber told German newspaper Die Welt. “Of course, today Muslims are part of Europe.