If I needed to think 3 reasons why Kamala needs to win, these would be the three reasons for:
1. Abortion
Abortion reduces crime rates, improves quality of life, reduces prison population, increases equality, increases liberty, increases body rights.
2. Migrants
Migrants have lower crime rate than general population. Migrants reduce crime rate, increase workforce, help low birth rates.
3. Reducing debt
Reducing debt is crucial to save economy and reduce inflation, and to reduce poverty, and solve trade deficit.
The argument is very simple. Kamala would support abortion, increase number of migrants and reduce debt compared to Trump.
Debt, crime, workforce, liberty, equality, body rights, inflation, poverty, life quality - these are most important values for people.
Kamala wins on all these values through the 3 arguments presented. So by logic, Kamala should be next president.