You can reach out to the EFF. They took an interest in youtube-dl. However you have a major hurdle to overcome:

RIAA argues that since youtube-dl could be used to download music owned by RIAA-member labels, no one should be able to use the tool, even for completely lawful purposes.

This is an egregious abuse of the notice-and-takedown system, which is intended to resolve disputes over allegedly infringing material online. Again, youtube-dl doesn’t use RIAA-member labels’ music in any way. The makers of youtube-dl simply shared information with the public about how to perform a certain task—one with many completely lawful applications.

--https://www.eff.org/deeplinks/2020/11/riaa-abuses-dmca-take-down-popular-tool-downloading-online-video

IANAL but probably shouldn't have video on the site showing it downloading copyrighted music. I think that's the crux here.

https://www.eff.org/about/contact

Good luck, but I think you kinda shot yourself in the foot.

EDIT: if you read the complaint, it's not for hosting content, it's Anticircumvention. 17 U.S.C. Sec. 1201 (a)(2)

(2) No person shall manufacture, import, offer to the public, provide, or otherwise traffic in any technology, product, service, device, component, or part thereof, that—

(A) is primarily designed or produced for the purpose of circumventing a technological measure that effectively controls access to a work protected under this title;

(B) has only limited commercially significant purpose or use other than to circumvent a technological measure that effectively controls access to a work protected under this title; or

(C) is marketed by that person or another acting in concert with that person with that person’s knowledge for use in circumventing a technological measure that effectively controls access to a work protected under this title.

If there's anything us regular users can do to help, please let us know. This is bullshit.

I thought the DMCA was used for people or organizations that uploaded or shared infringing material? Isn't Newpipe just playing whats freely available on youtube/peertube/soundcloud etc? I could be wrong of course but this seems like an abuse, good luck I hope you can fight this!

This should be a pretty cut and dry false takedown. Newpipe doesn't host any content.

That's totally not a massive conflict of interest

Streisand effect. Now I'm gonna go look up what newpipe is

Do not DMCA takedown requests require swearing an affidavit? If that's false, then it's perjury, isn't it?

With how things are going, who's to say that a year from now google catching you running an ad-blocker at all won't cause them to ban your entire google account?

I’m rooting for ya

I didn't even know this existed. As a result I've just installed it on my phone. Great way to Streisand effect it I guess.