I think any prominent campaign manager like @icopress or @hhampuz should consider it as a feature to implement in their management suites.
I agree, but more wallet software need to support it, and maintain it. And when I say more, I mean Electrum and Sparrow.
And public spreadsheets shouldn't exist anymore either. That's great for privacy but bad for transparency.
There wouldn't be a problem with public spreadsheets if the payments are silent. Who earns what is already public information, what's sensitive is where this money sits on.