> By "people threw a fit"
I mean I saw it on Reddit, guy got panned for abusing unsafe and bunch of unsafe were patched out. That's it as far as what I am aware of.
> Rust community put up a relentless harrasment campaign targeting
Don't judge community (especially one you don't know) by their worst member.
Rust community didn't all agree and made a pact to harass/dox that guy. Few assholes did.
Trying to generalize this behavior to entirety of Rust community is disingenuous. Imagine if I started saying all programmers were wife killers, because some programmers killed their wifes.