Aside from the great sibling observation, I'll pile onto that by pointing out they seem to have truncated the URL for their LGPL repo citation IANAL-either but

Aside from the great sibling observation, I'll pile onto that by pointing out they seem to have truncated the URL for their LGPL repo citation IANAL-either but my mental model is that one should not "blaze trails" in making up licenses. I find it does not pass the straight-face test that no other license in the known world captures the author's intentions, so they had to make one up on the fly, typos and all