Why did Clovis give the conquered lands to govern his governors, and not officials?

Until the 8th century, the Franks still lived under the tribal system and military democracy, which slowly developed into feudalism. In such a society, there is almost no money trade, there is no one to recruit officials from to collect tribute, and military leaders would not obey officials.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.