[valuearb]

Today’s cheap and high cadence commercial launch systems should make the extra weight needed for horizontal assembly a non-factor.

[TeMPOraL]

"Cheap and high cadence commercial launch systems" are just beginning to happen right now, it'll take time for the industry practices to readjust.

[valuearb]

SpaceX undercut the market price for space launches by nearly 70% in 2010, and has averaged a launch every two and a half weeks for the last four years.

How much tine does the industry need to adjust?

[JshWright]

Lead times for large satellites are measured in years. The industry is absolutely adjusting, but it's also very risk averse.