Predjudice is just that, pre judging, my father went into a property wearing his black overalls and gloves, the first person who saw him jumped and said "oh thank god, for a second I thought you were a biker!".
Some people get tattoo's specifically in order to illicit this kind of response, same way that UK punk movement dyed their barnetts pink and pierced their fisogs in the 80's.
Others have a genuine love of tattoo's and are totally ambivalent about anyone else's perceptions of them.
I have not a single spot of ink anywhere on my body, you cannot after all improve on perfection