Dairy cows do not have horns because they are female.
Typically the males are used for studding or slaughtered. But they have their horns removed. It is not like a major undertaking. And the farms already do a massive amount of natural selection breeding. The lineage of every cow is tracked along with how much milk it produces and what the climate was like. They produce less when it is too hot.
If the video was taken down by youtube and not flagged via third party dmca then they don't have to repost it. The content id flagging is different possibly. But a court might see the content ids as a third party provided info and rule that these takedowns must be treated the same way.
You have concocted an inventive story about their motivation for the regulation.
But that regulation does not require you to disclose your idea.
And the way you describe it sounds like a penny stock scam more than anything else. Because you are assuming that announcing your divine capitalist inspired idea will make the stock price shoot onwards and upwards without any actual results from the idea being tried it is a scam.