I was lucky enough to have dual nationality and left many years ago, but then I always knew I would because I never felt like I fit in there, so I have no regrets, except for not leaving sooner - before the army would have been better, but I wasn't able too get out of it.
Be prepared though - life as an immigrant and a foreigner can have it's own challenges, as can being a Jew outside of Israel, and the "grass" - the political and social aspects of life might be different, but it isn't necessarily greener - fascism is on the rise more or less everywhere you go, as is the cost of living.
You only get one life, as long as you aren't harming anyone - do what's best for you, and remember that to create a better society the workers of the world need to unite, so it doesn't matter where you are physically, you can and should still be part of a force for change.
I don't want to give too much personal information, but if you have any questions, I can do my best to answer.
Do you have any idea how difficult it is to just get up and move country? Or to try to immigrate from a war zone to a developed country? Have you seen how the (especially non white/european) people who try are being treated??
As an ex-Israeli I was lucky enough to be able to do it many many years ago because I have dual nationality and family elsewhere I was able to depend on, but most Israelis, never mind Palestinians, don't have either, or the money to be able to afford to move, or a country that will allow them in.
Check your privilege.