What about the decline in Conservatism?
A lot of its followers and their agenda were called insane and anti-science back in the '60s as well. Regardless, it's hardly surprising that with more media attention the beliefs and goals of the two main parties have diverged or at least become more visibly distinct.
Looking at the authors article..it seems as if he takes peace with the Klingon Empire as an insult...imagine of the Allies didn't agree to "forgive" a lot of atrocities in order to forge peaceful coexistence after a long, hard war.
A lot of people consider that questionable at best if not highly unjust. That it worked and may even often be necessary doesn't mean it's not and shouldn't be ethically difficult.
The author then goes and takes JJ ABrams out of context, who said he didn't understand ST but goes on to say he understood it better since.
Well the idea of characters literally having a destiny that causes events and developments to happen (or can even be described as such) seems pretty new if not inconsistent with the past works.