>Optics?
https://www.timesofisrael.com/5-jewish-things-to-know-about-boris-johnson/
Johnson’s maternal great-grandfather, Elias Avery Lowe, was a Moscow-born Jew born to a textile merchant. Johnson confirmed this in a 2007 interview for the Jewish Chronicle.
http://website.thejc.com/home.aspx?AId=55194&ATypeId=1&search=true2&srchstr=elias%20avery&srchtxt=0&srchhead=1&srchauthor=0&srchsandp=0&scsrch=0
Interview: Boris Johnson - my Jewish credentials
“I feel Jewish when I feel the Jewish people are threatened or under attack, that’s when it sort of comes out,”
http://www.whale.to/c/united_jewish_kingdom.html