Target Mobile : Expect More. Pay Less.
You could try leaving negative feedback.
I understand not wanting to get into it at the store but you should have said something. Ask for an ETL/manager, put on your best I-might-sue-you-minions attitude/voice, leave the slight impression you might call Rev Al and the local NAACP and you might know a higher up in corporate and make them feel shytty and vulnerable to termination in the classiest way possible.
If you remember names, descriptions you could still try making a complaint to that specific store or inquire at your local Target how to get in contact with district/regional store execs.
Target fires employees with ease. Even managers. They don't want people ruining their classier-than-Walmart bright and shining facade.
And you definitely should not have bought anything.