Earlier quoted context omitted.
It is NOT trolling. I made the site. You can easily verify my data. - The hard way: Use YouTube's API to track the stats on one of the videos. Compare to my data, and the two will line up. - The medium-hard way: Over the course of a day or so, simply compare the official likes/dislikes that you see on youtube.com to my stats at 81m.org. You will see that my stats line up with the official numbers. It might be hard to…
I think he meant the dislikes were trolling, not your website. As another commenter mentioned, Biden inherited all of Trump's followers. Enough of them probably just downvote everything Biden posts, which one might call a very mild form of trolling.
I guess the theory is that Trump's followers are force-joined into subscribing to the Biden White House's videos. So then they react by downvoting every unsolicited video that pops into their streams. And the response is to delete their downvotes? So I guess the message to them is, "You really must look at what the Biden White House has to say. Oh, but you're not allowed to express your opinion about it."
Actually, you are allowed to click "dislike" and to feel like you expressed your opinion about each video, but later we will delete your opinion when you look away.