I have yet to see anyone suggest that it was a good, fair call. And if it was overturned under the normal appeal process, everyone would probably have gone "good" and it wouldnt be an issue. Its the fact that FIFA bypassed the appeal process and didn't give Belgium a fair chance to respond that is the issue. Not to mention that all of that happened after the President (and FIFA Peace Prize winner) publicly announced that he called the FIFA head to overturn it.
Ironically most people would have been on the US's side on this and now, as you point out, the US will have a big asterisk next to their name regardless of outcome.