First, all of it is predictable. Each time something gets repeated, its potential to gratify curiosity diminishes. In the case of ideological squabbles, the repetition is so entrenched that there's no curiosity potential left at all. What is has instead is strong conflict potential, meaning that such discussions not only add no value here, they burn up and destroy what does have value.
Second, it's all generic. The larger a question is, the harder it is to say meaningful things about it. Signal/noise ratio goes down as topics get more generic.
I don't doubt that it's possible for people to find new, meaningful things to say about large generic questions. But internet comments are not the right genre for expressing them. Someone who truly has such ideas would write a book or an essay, for the same reason one wouldn't excavate the foundation for a house with a thimble.