Now, now, causality has not been established.
Do women not want these exceedingly available bachelors because they're Republicans, or are they Republicans because women do not want these exceedingly available bachelors?
MAGA Far Right and ISIS types share certain pronounced qualities, among them, the inability to hook up with women, marked by a tendency to be alone and a tad bit on the resultng lonely side.
Quite a few of them also have certain questions about what they are attracted to, and thus are further frustrated in their sexual pursuits as they are confused on how to act on such.
So they retreat to religious/conservative preoccupations to help allay their confusion, frustration and anger.
Also, not sure where the OP got his info, as a chart indicates.
In addition, the assertion might be a bit premature.
"The latest Pew Research data shows that 49 percent of Gen Z voters lean toward the Democrats, while 43 percent lean toward the Republicans.
That marks a shift from 2024 when more Gen Z voters leaned toward the Republicans than the Democrats for the first time ever, with 47 percent backing Republicans and just 46 percent identifying as Democrats."
https://www.newsweek.com/gen-z-polling-democrats-trump-2103421
The article has a link to the Pew Research Poll he refers to.