I have no clue what you are talking about. Especially the conspiracy theory stuff. And doubly so, because your things do appear on google.
If your specific search terms do not make your things appear on Google's first results, that means that Google prioritizes other results for those search terms. There is a whole industry dealing with SEO and search engines have their own ways of not being manipulated.
https://duckduckgo.com/?q=lonely-visual+mods&t=opera&ia=web
#1 Your Itch account
#2 Your Nexus Mods
#3 A specif mod of your's on Itch
#4 Your Nexus again
#5 Youtube about your things
https://www.google.com/search?q=lonely-visual+mods
Above the results are videos about mods. Not your's.
#1 A specifc mod of your's on Itch
#2 Your Itch account.
#3 Nexus, but not you.
#4 Youtube about your things
#5 Redit (not related to you, I think about the mods on #3).