The left's ascendance in western countries over a period of a couple centuries in no way implies that the it is destined to control the future.
To be fair, western civilization is the best candidate for a singularity of some kind, and if anyone's values got preserved (by an FAI or just high-tech conquering all opposition) it would probably be whoever fooms first (unless we all die instead.)
If it's worth saying, but not worth its own post (even in Discussion), then it goes here.