We can critique the implementation, but integrating crypto aligns with Signal's core mission: "to protect free expression and enable secure global communication through open-source privacy technology".
Just as cash enables private, in-person transactions, privacy-focused cryptocurrencies can support secure, anonymous digital payments. Similarly, end-to-end encrypted chats are the digital counterpart to private, face-to-face conversations.
Source: https://signalfoundation.org/en/
It's cool you don't think they need one, but its basically a requirement for tax-exempt non-profits– Source: https://nonprofitlawblog.com/purpose-statement-articles-of-incorporation-nonprofit-charitable-corporation/
Look up any 501(c)(3) non-profit org, they all have one: https://501c3lookup.org/
Here's a list of 17 mission statements for easy perusing: https://donorbox.org/nonprofit-blog/mission-statement-examples
The benefits of a privacy-enabling crypto is well within their scope. That it didn't work well, was implemented poorly, or take off is irrelevant to the discussion. Be mad at something else.
Thanks for replying genuinely, engaging with the nuance of my argument and not creating a weak, easily attacked caricature of my position in order to knock it down and give the illusion of refuting my original point 😊