A transfer is not that bad if you do a degree related to your course I was considering it had I not got into what i wanted, if you reqally want it, you will do a transfer
Crying to UAC is pointless, they have no control over it. Crying to UTS may work, probably not but I guess it's worth a shot...
Don't stress too much, you might be lucky and get in on late rounds depending how close to the cutoff you are