It's related. If you have a working factory, data collection and optimization can make it better. If you have a vacant lot and money, that's a different problem.
I'm reading Ashlee Vance’s “When the Heavens Went on Sale”. This describes most of the smaller space launch startups, which he visited at length, including the launch sites in Outer Nowhere. Each of them had to start manufacturing rockets from nothing. How they approached this, who succeeded and who failed, and why, is worth a read.