I thought Eurovision was for Europeans..kinds like America’s Got Talent is for American Contestants.
Eurovision is, I think, some sort of news affiliate network. Any country that has a channel with it can participate. The contest is named after the channel, not Europe although it’s obviously based in europe.
Technically Israel is a part of Asia but on a cultural level while being part of the Middle East it also has a Euro flavour to it as well. I’m not sure why they became part of the Eurovision Song Contest but there are cultural connections to Europe.