The fact that it's clearly possible to use a pseudonym on Facebook makes the German complaint even more silly. But the fact remains that Facebook has decided to

The fact that it's clearly possible to use a pseudonym on Facebook makes the German complaint even more silly. But the fact remains that Facebook has decided to have this rule because they believe it makes the product better. That decision is theirs to make, and people can flaunt it (as many do) or decide not to join.