The problem here is what a person who is willfully slaps CC-BY on their [personal] content (and a librarian to boot) should understand the caveats of providing a public access to their opinions. Instead there are "I'm suddenly feel offended because people quote my public opinion without explicitly asking me if they are allowed to do so".
> without permission is a copyright violation
It has nothing to do with a copyright, especially if the quoting (in any way) was done with attribution.
> and generally rude
If it was taken out from a non-public medium (I'm not even sure if Mastodon has this functionality[0]) then sure, but as I understand this is not what happened here.
Note: I checked that M. instance[1] and there is no signage about content ownership or anything like that.
> without permission is a copyright violation
It has nothing to do with a copyright, especially if the quoting (in any way) was done with attribution.
> and generally rude
If it was taken out from a non-public medium (I'm not even sure if Mastodon has this functionality[0]) then sure, but as I understand this is not what happened here.
Note: I checked that M. instance[1] and there is no signage about content ownership or anything like that.
[0] looks like it doesn't? https://ausglam.space/@hugh/109321247180285447
[1] https://ausglam.space/about/more