I think the two question are widely unrelated.

Would I care?  Yes.  Folks need to wake the fuck up about money & a bolt icon is intriguing.

Do they make posts better?  No.  They accrue after a post, and they're easily gamed. 

 How do zaps wake people up about money? 

 I should have said freedom tech too.  Most folks haven't ever asked themselves "what is money?"  Even weak bitcoin integration is the best available way to show not tell them how to answer the question.