I don't think this is about elections, but about how much people care about the leader as an individual versus a representative of a party? For example, in a tr

I don't think this is about elections, but about how much people care about the leader as an individual versus a representative of a party? For example, in a traditional monarchy, even if you had a very clear successor (popular 60yo king with a popular 35yo eldest child etc) killing the king would still be a huge "message".