I assume - perhaps mistakenly - that most readers at Free Republic have a basic understanding of 20th Century political history and the voting patterns of various ethnic groups.
Yes, you gave the impression it got worst when boomers reached voting age.
As far as readers knowing the historical voting pattern of Jews no, and there has been much nasty push-back from freeper Jews that Jews are even leftwing and have always been left-wing.
The Democrats haven’t gotten 90% of the Jewish vote since Lyndon Johnson.