Yes, I would have left the set-up intact until I could source another end mill. While I almost always have many tasks that I am behind on, none of them is so critical or pressing as to have broken down that set-up. However, the actual issue that is faced every time I wish to use the mill, is moving everything out of the way so I can get to the mill to make any use of it! ;c)
Weather actually also enters into the "equation" of mill usage, as the garage (to be read as: Shop) door must be open to make any use of my mill.