They are big in the grassroots aid movement running important projects in multiple countries, but they aren't the Red Cross or Doctors Without Borders big.
Hoping to get this resolved before they have to try and publicly call out Facebook, but you're right- that seems to be the only way to get tech orgs to take a minute to care about situations like these.
If you want to help, search for journalists that have written about them before and reach out to them as they are more likely to help you.