There are fact checks on this. https://www.usatoday.com/story/news/factcheck/2020/10/01/fact-check-gop-ended-senate-filibuster-supreme-court-nominees/3573369001/

Moreover, it was done because Republicans were blocking all with 60. Thanks for proving my point. It needs to go.

However, Republicans know Americans have very short memories, and they despise anything close to majority rule for Democrats. This started with Clinton. Simply put, Democratic led governments are not seen as legitimate by Republicans.