The software is literally advertising the ability to rig games and cheat users (
archive).
Anyone would be stupid to download this, much less pay for it.
a) It's unlicensed by the actual bustabit
b) You have no problems with scamming users, which makes me think you'll have no problem scamming casinos themselves (which has been a big problem with unauthorized bustabit clones in the past). I have seen people selling "cheap" copies of bustabit, which have backdoors and malware
c) Educated users will know the software comes with the ability to rig it (and the lack of proper provably fair), making the chances it is a commercial success almost 0
However, I'll give them some credit for candor: