All you need is a petition backed by the vast majority of supporters saying the sales of any kit with the name Hull Tigers will be boycotted. These people have to forecast good future sales figures as well as current ones and even the threat of a boycott will be enough to make them **** themselves.
I doubt it. The potential income isn't about kit sales to current fans, it's supposedly about expanding the whole commercial side to a new market.
However, none of that is a justification in favour of the name change. As yet, I've still to see one.