Hard disagree on 'forever be an asterisk', if you're referring to the 2020 election itself. You really think a 7 million vote margin leaves room to question this election yet another time after all the audits and Krakens, etc.? Negative sentiment on Trump was strong going into the election, especially considering the economic conditions brought on by COVID. This, being the COVID that he was seen to have mishandled, largely with his own concern at heart, wanting testing curtailed so that ever-higher cases wouldn't hurt his election chances. I guess he loved America so much that he just didn't know how to express it.
Why Trump lost in 2020 and then won in 2024 is clear. Biden's election win was no fluke. The 2024 election was about going with the devil-that-you-know, hoping that kitchen table concerns could be alleviated, and still delivered no landslide (unless you're Stephen Miller).
Just wait until all these Trump voters have to swallow the totality of merely the last 2 weeks of changes (and recissions, in some cases), and they'll find that wanting a bull in a China shop has severe consequences. After 100 days, when actual results will be expected, all the fun Trump & Musk had as they had their way uprooting bureaucrats will be over. As recriminations flow, whether Trump can hold together the crew he started with will be a major question. Interesting times.