Nobody seems to be talking about this, but it seems like a BFD to me.
Clinton is using her superstar status and fundraising prowess to directly benefit the downticket races that we need to win to rebuild the Democratic party nationwide.

She is the only candidate we have that is in the position to do this, and she's doing it.

Those are some blood red states that she's raising money for,

If this ends up a wave election, Clinton is positioning us to ride that wave, even if she is not the nominee.

That is her commitment to the Democratic Party.