The German nuclear weapon program had a number of fundamental flaws, according the Wikipedia article on it, and so I assume it would have failed to produce a we

The German nuclear weapon program had a number of fundamental flaws, according the Wikipedia article on it, and so I assume it would have failed to produce a weapon even if Roennenberg's raid had not taken place. However, at the time no one on the Allied side knew this, and so it made sense to launch the raid.