Well to start with, her top donor is a Putin apologist. So there's direct proof that she's being paid by Russia.
Founder of a nonprofit that aims to improve U.S.-Russian relations was the top individual donor to the Hawaiian Democrat’s political action committee
www.forbes.com
She's constantly spreading the same message as the Kremlin. That the war is all because Ukraine wanted to join NATO, That there are evil bio-labs that Ukraine was using and the cause of Covid. She keeps claiming Democrats want to undermine freedom, The Russians love her and Tucker, who they love to re-show on their networks. Almost every stance she takes is that of Pro-Russia and she's in lock step with people like Tucker Carlson. She isn't and hasn't been a Democrat for a long/long time. It's no surprise to anyone that she's moved on and isn't welcome. When you attack every position the Democrats hold you can't call yourself a Democrat any longer.
I'm still registered as a Republican simply because of where I live, but I left the Republican party about 7 years ago after voting in lock step any longer. I can't call myself a Republican any more when I think everything they stand for now is disgusting. If we had the Republicans of the early 2000's back then maybe so. While Bush didn't do well, his attempt for compassionate conservatism worked for me, his brother Jeb is brilliant (Something that cost him dearly when running for President). The Republicans have changed and so I'm no longer a Republican.