The reason also might be that JV Notify Pro has been listed in a few unsavory e-publications since it's inception as a great place to rip off products ... I've warned the merchant partners to be a little less trusting and ask for a track record if the name is not well known ... more times than not it's just someone with more nerve than substance to back their claims, and they don't bother replying.
If your request is an honest one, simply be prepared to offer a little proof that you're worthy.