As much as it irritates people to read it, I think we are being a bit rough on this guy. As I said before:
New country, different cultures
New city to settle into
New football league set up
New footballing style
Only on loan
He is only 19.
I'd have struggled to cope with the basic stuff in life when I was 19 under those circumstances, never mind live up to the expectations some people have for him on the football field. Give the guy some space to find a consistent level of performance, he has shown signs of being a player so have some belief.