I mean it's a big jump to think something can replace such a huge infrastructure. A lot of people think it needs to be patched.
Bitcoin doesn't solve for everyone anyway, at least not yet. So she's right in thinking that we can't just kill the banks and let everyone figure out bitcoin.
If you need quick fixes, things that will get you re-elected, then bitcoin isn't the solution at all. But getting small things to change or look like they changed is your MO.
Why she is so aggressively anti bitcoin? There's a lot of ego in that answer I'm sure.