The poor common folk hold apprehension when they arrive at the clinic's door; thus, the free clinic serves as publicity and lets the farmers learn about some herbs, which they could use in lieu of consultation fees in the future.
It's a perfect opportunity to conduct a census, soothe the southern populace, and greatly boost the new Emperor's reputation among the nationals, achieving multiple objectives at once.
Zhou Shuren has already prepared the Ministry of Revenue's approval for Silver, and now with the Emperor having wool to shear, the Ministry can save this sum of Silver.
The Emperor, smiling, said, "I believe everyone here has the people's interests at heart, and I shall wait and see how you all care for the people."
Zhou Shuren, "..."
Realizing abruptly, he too must donate; no one in the royal court could escape, and even if he wasn't the main target, he'd still lose his 'fur', which was painful.