I also have no desire to be beaten up, nor to beat up either Airplay or B&O. 
However, it's fascinating what kind of traction and attention Apple is getting by reinventing something that has been available for years in the form of DLNA.
My phone, my PC and my media player all support DLNA, so the ability to push media from one device to another isn't new - it's actually working very well. Why hasn't there been any "B&O bashing" for not implementing DLNA in their products over the previous years?
The obvious answer is that DLNA hasn't gained any traction or popularity; few people know about it and device makers have done a lousy job promoting it. Apple brings it's entire ecosystem to the table, but they also bring a proprietary technology that others have to license and that essentially mimics what's already available in an more open standard. Again, I don't mean to bash anyone and it may very well be that Airplay is better than DLNA. It's just that it's amazing what power Apple has to popularize something and at the same time make it seem like a revolutionizing invention of their own!
Regards,
Mattias