Agree with you - although I dont give a toss about anyone's potential sell-on value, that's the last thing we should have on our minds given our recent history...
Arseblog has been making a very similar argument around suarez/rooney vs higuain, rather well too. He really is very good, cant speak highly enough of his blogs. (tip of the hat once again to goof666 for convincing me to start reading it)