Yes in some sense, but they did provide additional rides to cover Boeing's shortfall on a short timeline.
The ability to ramp up services on short notice is not flexibility traditional space companies offer. Ex, if NASA begged Boeing for an extra SLS launch this year, they simply could not do it.
Under no circumstances will I agree that "Elon rescued" anyone or anything. The guy has a fetish to be seen as a rescuer. It's unseemly.
> SpaceX did awesome Job.
Fulfilling a contract they've executed several times before? slow clap