Agreed, even ng-repeat has equivalents in each framework. Migrating from direct DOM manipulation is a no-brainer, but I wouldn't count it as an advantage of Angular over the other choices.
1) Those other religious schools are private and not publicly funded. The US has a separation of church and state, so no tax money should be used to fund a preference to one religion (or any) over another.
2) Evolution is the cornerstone of biology, it is not a small part. If you don't understand how organisms became to be then it's much harder to understand how they work now.