Even Hilary got a higher percentage of the popular vote in 2016, by earning 2.1% more over Trump [3]
After you consider Republicans have been pushing for voter suppression and purging voter rolls in states for _decades_ [4]. We are just now seeing the effect. I suppose you can say it worked in the 2000 election and subsequent recounts in FL.
The laws and regulations around voter rights are not _constitutionally_ guaranteed. So unlike gun rights, voting rights can easily be taken away by the state. [5]
[1] https://en.m.wikipedia.org/wiki/2024_United_States_president...
[2] https://en.m.wikipedia.org/wiki/2020_United_States_president...
[3] https://en.m.wikipedia.org/wiki/2016_United_States_president...
[4] https://www.salon.com/2000/12/04/voter_file/
[5] https://hartmannreport.com/p/democracy-undone-the-texas-plac...