

I just searched in there, like the new yorker: https://flipboard.com/@NewYorker and got the handle to follow the profile @NewYorker@flipboard.com, on the magazines I got the handle https://flipboard.com/@newyorker/cartoons-1hgpnrb6z and put the name (without the random alphanumeric) with the account like !cartoons-newyorker@flipboard.com.

On the vpn/proxy idk, I think the bots would pass through it.
There are some nginx blocklists like the ultimate bad bot blocker, I could share my Cloudflare rules if you want it, as these are rules, it can be abstracted to anywhere.