It really is not though, the sources are clearly different and there's been lots of changes to the PKGBUILD as well. How can I contest this?

On Sun, Dec 23, 2018, 00:50 <notify@aur.archlinux.org wrote:
test0 [1] filed a deletion request for popcorntime-stable-bin [2]:

Duplicate of https://aur.archlinux.org/packages/popcorntime-bin/

[1] https://aur.archlinux.org/account/test0/
[2] https://aur.archlinux.org/pkgbase/popcorntime-stable-bin/