One of the main reasons for blacklisting IGS is the software . It is extremely inexpensive to purchase and therefore leads to any Joe Shmoe wanting to get in the online casino business. This is not a good thing because most of these upstarts are underfunded and cannot payout when someone hits a jackpot. Under staffed and under trained support staff is also an issue.
..at which point I realized none of this could ever be taken seriously.