It's just about taking on some responsibility, that's all.
However, Qiao Ze felt that he and Dou Dou shared a relationship where their fortunes were intertwined—either they both prospered or both suffered losses—so it didn't really matter to him.
The most important thing was that Qiao Ze still had confidence in Dou Dou.
After all, the underlying logic was written by him...
Even if something seriously went wrong, it wouldn't be a big deal; at most, he would just format Dou Dou's underlying program as a sacrifice, then rewrite a more reliable version. As long as the database remained universal, any issue could be handled without much trouble.