If you take a look at page 8 of this pdf[0] you'll see that the wargames predict that hundreds of missiles will be used in the first few weeks of an engagement between China and the US over Taiwan. Page 10 will curdle your blood as you'll see that they anticipate to lose dozens of ships including two(!) aircraft carriers. Page 11 shows hundreds of losses of various aircraft.
SpaceX will not save those lives and they will not be able to replace the equipment in time for a second engagement with China.
Take a look at a previous comment that I wrote about this: https://news.ycombinator.com/item?id=42391816
[0] https://selectcommitteeontheccp.house.gov/sites/evo-subsites...