When playing tank classes i MIGHT switch my primary target to whatever e lnc was attacking. After all, if all i had to do was to follow the lnc it's lesser trouble for the whole party, and i dont see the need to stroke my tank ego when there r other ways to deal w bad players for the good of the party.

That said, i only do that if im nice. On days when im feeling bitchy i wouldnt care so much.

As a healer yes u wernt doing anything wrong, for the simple reason that ahould u heal him, the mob would most likely have gone after u and killed u.