Are Endorsements Worth Anything?

I have often said that political endorsements hurt the endorser more than they help the endorsee. But that is usually in reference to other politicians or Hollywood elites doing the endorsing. 

Does the same rule apply to someone like Riley Gaines?  I don't know. 

The latest mailing from the Never Back Down super PAC covers the topic of transgender athletes and highlights Riley Gaines endorsement of Ron DeSantis.