Never forget that if someone is lying, it's because they expect someone else to believe them. There would be no point to trying to fool the Republican rank-and-file if a majority of them weren't fools.
That said, there could be a significant amount of self-foolery going on.
This is what I figured was going on when all those articles came out about Apple "changing its position" on right-to-repair. The politicians got to claim a victory, but Apple was in the details.