[nine_k]

Likely never. The Half-Life has the lambda with the top crooked, neatly inscribed in a circle [1]. The anarchist version has everything straight, and with the three sticks protruding out of the circle (like the A would). The visual rhyme is obvious.

[1]: https://en.wikipedia.org/wiki/Gordon_Freeman#/media/File:Gor...

[2]: https://en.wikipedia.org/wiki/Anarchist_symbolism#/media/Fil...