At first is was low key and a hint that the figures have to go, but as time passed the quite murmur and subtle hints became louder
The normal reaction should have been to celebrate serious talent. A deeper reason for serious resistance was probably because there was worry that figures could go from being an individual choice and vision to becoming a generally expected component. Expending the effort to censure and make rules against suggests that this potential threat was perceived.
He did get praise for his work but a heck of a lot of bashing about his use of framing, little people, up side down building method, wasting of wood with building frame blanks, moving a gun port 1/32 of an inch and on it went.
Boy! Hahn was sure dealing an audience with no imagination and little if any perspective.
The way Hahn demonstrated to assemble frames is a separate thing from the assembly of those frames or frames assembled using a different technique into a hull.
The framing style was just a choice. Any other framing style works just as well.
His plans are just a convenience for a builder who is too lazy to loft his own project from original plans. Hahn's reply should have been: Accept them for what they are or go somewhere else.
There were people in the ship modeling community warning builders the Hahn plans were wrong, the framing was some stylized form made up by Hahn, don't waste your time with Hahn plans because they are not historically correct and the framing was not how a real ship would have been built.
All model framing is stylized. Hahn did not "make up" the style that he used. He kept the bends and omitted the filling frames. The RN shifted to accommodate gunport framing too. They moved the top timbers. Hahn moved the whole bend. If the only part of Hahn's framing being objected to was a gunport being shifted, well, cut into the frame on one side and add a scab on the other.
It is a bogus idea that any model is framed how a real ship would have been. One can be built matching what the idealized framing was on paper. Very few of the contemporary models from the shipyards were built using the literal framing. It takes too long and is too much work and except for a classroom demo model it does not serve the purpose for building it.
Upside down - uses gravity - it removes at least one degree of possible error over rightside up. At 1/8" scale the whole thing is 0.8% the size of the original - how realistic is that to begin with?
I would not bemoan Hahn abandoning ship modeling too much. He pretty much mined out the vein that is his chosen slice of history. Anything more would have just repeating himself. He came in presented his gifts and it was time to move on. He does not seem to have been an obstinate, curmudgeon, solitary, Vulcan. If he was, he would have just raised his shields and built for himself. He was social. He did his job