Yes you are.
And I have figured out why over the years. Liberals cannot do creative positive imagination, which is the essence of good Science Fiction.
The demarcation line is Fantasy. Few Conservatives and normal people can enjoy that and liberals are in their element. Hog heaven.
Oversimplified, somewhat, but pretty much it.
As far as fans go, I was basing this on my experience in attending fan club meetings and conventions.