> Specifically, we request that you remove or disable access to the infringing Project’s repositories referenced herein in accordance with either 17 U.S.C. § 512(c)(3)(A)(ii) (DMCA “representative list” provision), 17 U.S.C. § 512(i)(1)(A) (DMCA “repeat infringer” provision), and/or GitHub’s Terms of Service, which prohibit use of your facilities for copyright infringement, ...

So such dual-use technologies are now under pressure. This is quite a step towards banning certain mass-dissemination protocols in general. See "inducement rule" [1] in the US.

[1] https://en.wikipedia.org/wiki/Inducement_rule