HVAC lines running thru bedroom closet...pics

It looks like a recent AC unit change…and they ran the lines
thru the master bedroom …is this ok as is ? these pictures
show the views of the line coming into the closet and going out of the
closet…

http://i187.photobucket.com/albums/x296/dawlita/Dargan069-1.jpg

http://i187.photobucket.com/albums/x296/dawlita/Dargan070-1.jpg

I might comment on protecting it from damage but I don’t care if they run it there.

Looks like hell, but I can’t think of a reason why they can’t. Is that an unsupported PVC condensation drain line with no perceptible slope that I see?