Xue Sheng
All weight is underside
So these trainings are not always bogus photo ops. (This one may be however.)
True, it could be a way to hook up with a Sifu, and to be honest if I were going to be in Beijing at the same time this occurred I might check it out, but I would not travel there just to do the seminar. But it also could be a way for an unknown Sifu to get into the rather lucrative USA/Chinese Sifu Seminar market too.
Train a bunch of westerners and then get them to be your visa source to travel to the US, give a few seminars and make lots of cash.
As to Xinjia, I believe that is all Chen Yu teaches (Beijing), but I am not sure if it is the same as his Grandfather's (Chen Fake) or Father's (Chen Fukui) Xinjia.