I haven't seen anything that convinces me these doube or triple your money pitches are valid. And I've tried to look into it. I think its mostly sales pitch.
It appears to me that when you donate through Act Blue your contact info gets distributed probably soldto just about anyone who wants it. I've gotten tons of texts from organizations that, upon researching them, have just been established, have very little information available about who they are or what they support. When you go to the sources that can tell you who they actually donate to, you often find that little of what they collect has actually been distributed. Worse, many have been established so recently that the haven't yetand may neverreport anything about that. I'm guessing some are complete scams, some even run by con artists on the right.
I've stopped using ActBlue and now go directly to individual campaign websites. If they send me to ActBlue, I don't donate to that campaign. I'm a small dollar donater so there are more campaigns id like to donate to than my money will allow. I'm now sticking with those that can take my money without resorting to ActBlue.