This isn't about being offensive, it's giving credibility to misinformation that undermines public health measures and kills people.
They're not removing the Covid mis-info episodes, they're removing ancient ones with (AFAIK) non-controversial subject matter.
https://www.businessinsider.com/fauci-doesnt-regret-advising...
EDIT: I know people have trouble with single sourcing. Here's a more sympathetic source to Fauci:
https://www.cnn.com/factsfirst/politics/factcheck_e58c20c6-8...