It'll increase your personal plunder bc more actions=more plunder.
However, you dont get paid anywhere near as well as a hansels spies or an attack builds attacks.
If you use spies, youre decreasing possible extra plunder that you or someone else could make by extending the eb.
Simply put
With attack builds using spies: More personal plunder, Less overall plunder for clan
Without using spies: A tad less personal plunder, more overall plunder for clan