Think they're tacky, eh? Well, the Japanese clients are probably cooing over how kawai they are!
Seriously, some of those planes look a bit daft, but I'm glad it's there and serving as a restaurant rather than being chopped up. N747PA is an historic bird and there is not much by way of Pan Am planes being preserved anyway. Okay, it would be nicer to put it in proper livery and to preserve it at an airport or museum, but this seems about second best.
I'm also glad it's basically in one piece: yesterday I did a search and I think maybe on www.jetphotos.net or some such site, I found a picture of the scrapped hull - or rather of just the center section! It seems that it was cut up, then shipped to Asia in pieces (I am guessing that's what they did, I don't know), then reassembled.