All of them knew their symbolic votes would not change the result, and they didn't all switch in the same direction. The majority of them were pledged to the l

All of them knew their symbolic votes would not change the result, and they didn't all switch in the same direction. The majority of them were pledged to the loser Democrat, and went faithless so that Republicans could be faithless without risking electing a democrat. Only 2 Republicans took the bait, and that only happened because many Republicans hated Trump, whereas Biden is extremely popular among Democrats.