While the Golden Vermillion Inn was the pinnacle of luxury and had massive suites for VIP guests, they were not endless in their space. The Kun City branch had to fit their facilities in a tight space so they had manipulated space extensively and could expand as needed due to that.
Song City, as it was called, had been built so long ago but well planned that there was no need for space manipulation.
Thus, things became a bit cramped with the orphans in Lind's suite. He did create a few areas in the open courtyard that inverted space slightly but he could not do much since there were formations preventing tearing through space in the first place!
While he could only train elixir masters, weaving, and Forging, the basics of all professions was fairly easy to cover. So, he did not skimp on lessons he had learned long ago himself and answered questions from the now eager faces around him.