It was just the time when Cipsoft financed their game with advertisment on their page, there werent pacc all the time, it came out pretty late, so they didnt care and maybe didnt even knew what tibiabot ng is or what it could lead to in the future, the ng people paid for the advertisment and cip added it on their page. And if i had to decide such stuff i would even today accept the ng advertisment, its money for the company but still illegal, there are other ways to defeat cheaters, (check latest newticker from tibia.com)