I read somewhere that Israel's favorability in the eyes of young Christians has fallen 20% - 30% in the past few years alone, but dunno if it's accurate.
https://www.timesofisrael.com/support-for-israel-among-young-us-evangelicals-drops-sharply-survey/
https://www.brookings.edu/blog/order-from-chaos/2021/05/26/as-israel-increasingly-relies-on-us-evangelicals-for-support-younger-ones-are-walking-away-what-polls-show/
https://www.aljazeera.com/news/2021/6/4/support-for-israel-among-young-us-evangelical-christians-shifts
https://www.i24news.tv/en/news/international/americas/1621928086-sharp-decline-in-support-for-israel-among-young-us-evangelical-christians-poll