Zhou Tian's thoughts at the time could be described as decidedly straightforward. Although his methods might have been somewhat excessive, if such a problem really arose in his territory, then following Zhou Tian's method of dealing with it would certainly resolve the issue. However, such actions would also cause harm to his own power.
In any case, for Zhou Tian, the most important thing would always be himself. So, even if the minor bosses under him died unjustly, Zhou Tian wouldn't care.
However, just as Zhou Tian was contemplating what exactly he would do if the minor bosses under him showed their true colors upon their arrival, he never anticipated that the actions of those minor bosses would be much faster than he imagined.