"If Tao Zhen had money, he would have gone to the capital to find out if it was Shi Yuan's decree. The capital is under the control of the Emperor, so no one would dare to disobey Shi Yuan's decree. It would be easy to find out that it was a tax reduction, not a tax increase.
"Once Tao Zhen confirms that there is a problem, he will find a way to let Shi Yuan know. If other people also feel that there's a problem and go to the capital to see what's going on, it should be the same.
"Even if there isn't anyone like Tao Zhen who thinks there's a problem going to the capital, let's try to think of several other ways. For example, Treasure Bank has branches in both the town and the county. Didn't any of them tell the people in the central bank about it? Treasure Bank's main branch is in the Imperial Capital, and they have a firm backer behind them.
"In short, it's impossible for anyone in the capital to know about the situation here.