Has it occurred to you even for a second that perhaps people voted for Ukraine because they liked the song? ( Yes, I know that’s a really radical idea)
You’re reaching like crazy because you want it to be true. If they didn’t mean it why say it? Do you honestly think that all these reports about the Israeli delegation’s behaviour have been invented?
If you have to imagine Graham Norton saying something that he didn’t say to help your argument then perhaps your argument isn’t as strong as you think.