This.
https://www.foxbusiness.com/politics/harris-breaks-biden-capital-gains-tax-calls-top-rate-28
Does she have any policies she will stand by, other than getting elected? Seems like she will say anything or change any policy to get elected. How can we trust that we know what she'll actually do if elected?
By the way, if you have any questions about what the internal polling looks like, desperately changing major policies might give you insight into which side thinks they are losing.