They are basically banking on the “Kennedy” name overriding the fact he’s a batshit crazy idiot, but they forget most people today don’t give a fuck about the Kennedy family, that hook only really works for people over 60 or so.
Yeah, I'm 64 years old, and I suspect that I am among the youngest in that group. I don't remember JFK, having been only four years old when he was assassinated, and at nine I was just barely old enough to have started following the news at the time Bobby was killed. Anyone much younger than me would have no direct emotional connection to them at all.
I suppose I'm missing some part of the strategy, but I really don't understand what segment of Biden's supporters they think RFK Jr. is going to lure away. I just can't picture anyone who actually voted for Biden deciding that they would prefer a spoiler with no chance of winning who can't seem to go more than a couple of days without saying something stupid, demonstrably false, or deeply offensive.
Honestly, the only people I can imagine going for him are the Qanon nuts who thought JFK Jr. was going to rise from the dead and overthrow the government, and who are upset that Trump has deviated from the one true antivax path. RFK Jr. ticks quite a few of their boxes.