The beauty of the Nativity is that it speaks to all aspects of the Christian life. It needs no touching up from us. Any attempt to embellish it and make it "relevant" ends up cheapening it, just as banners with slogans draped around the sanctuary during Mass, do not enhance the Holy Sacrifice but rather distract from it.
At best, this is a tacky, distracting, inaccurate exhibit which buries the Holy Family and humble shepherds amidst a crowd of unrecognized faces. At worst, it is a homosexual blasphemy.