Qanon is birthed on 4chan.org/pol/ (home of the first drops). It then moved to 8ch.
Here are the top 100 most commonly posted images on record:
https://archive.4plebs.org/pol/statistics/image-reposts/
Here is an archived post there from 2013 which sums up their thoughts on the topic quite well.:
https://archive.4plebs.org/pol/thread/24340546/#24340750
Long story short, you shouldn't be too surprised.