数据库vs平面文本文件:当性能不是问题时，为什么要选择一个而不是另一个呢?

I am having a problem in one of the teams that I am working in. One of the guys is a bit SQL happy in my opinion and wants to store the log information generated by a small python FTP downloader into a database, instead of just a nice formatted text file. Now its always been my opinion that a database should only be used if it speeds things up, or provides a more reliable interface to the data. What are your opinions?I am having a problem in one of the teams that