While she compares favorably with her counterpart Barbara “dumb as a” Boxer, I can’t vouch for the intelligence of someone who sided with Obama on virtually every issue.
That said, any replacement would be worse. Californians are among the most politically unsophisticated in the country. I know because I lived there for twenty years.
Single party rule in Cali. LIVs easily Grubered.
Democrat Party picks candidates loyal to Party above all else. The LIVs simply vote them in.