"Only" 58% oppose the pardons according to [1]. I mean, it's a majority, but it's not what I'd call "wildly unpopular". It was always going to be opposed by a vast majority of Democrat voters, so relatively few Republican voters oppose it. I find it rather concerning.

Back in the day much was said about Bush's "historically low" approval ratings too. It was somewhat satisfying to see, but in the end it didn't really seem to matter much. He still got re-elected.

[1]: https://www.reuters.com/world/us/trump-starts-new-term-with-...