Actually, only part right. The B6 pilots were ALPA - representing the much smaller group. The WN pilots certainly had the numbers to drive the process, from getting a single carrier status through the NMB, to being ruled the single CBA, to trying to inflict whatever SLI they wanted short of a staple job on the B6 pilots. But knowing that a federal law has bearing on the process and that a negotiated settle was better for everyone involved, they chose not to flex their numerical majority muscles after seeing the mess that produced at US.
Jim