At the time, physicists were prejudiced to believe in a perfectly static universe without beginning or end.
The difficulty is that in an infinite static universe nearly every line of sight would end on the surface of a star.
In a static universe, the both the velocity and acceleration between galaxies needs to be 0.
Newton, and others, should have realized that a static universe would soon start to contract under the influence of gravity.
Yet so strong was the belief in a static universe that it persisted into the early twentieth century.
The joke, of course, is that Einstein did not need a static universe to have a Machian one.
It changed our world view, even that of Albert Einstein, who believed in a static universe.
He was convinced of his own belief in a static infinite eternal flat universe.
At the time, Einstein believed in a static universe, but found that his original formulation of the theory did not permit it.
When Einstein formulated general relativity, he and his contemporaries believed in a static universe.