Strong upvote. I think more people should be considering this as a skill/career to develop. For arms control and verification, I feel like these tools are potentially being overlooked (and could be useful across multiple GCR/xrisk-relevant areas).
I've heard good things about Jeffrey Lewis and his thinking on OSINT tools on the nuclear side of things: https://www.middlebury.edu/institute/people/jeffrey-lewis
One possible advantage to using the platform would be that donations to charities are tax deductible, whereas donations to campaigns are not. If set up well, this mechanism could enable somebody to 'donate' to a campaign with tax deductibility.