"i just think a paid first officer should not be looked down on just because some other guy worked at a FBO for the last 3 years flight instructing."

I disagree. So do the rest of the people answering your question, here.

These are people in the industry. I can't even say they are your peers because you're not in the industry. They are your peer wannabes. They are right on the money. Of course, the final choice is yours.