Do you have even an ounce of evidence? You're being ridiculous.
You can't just sling mud baselessly and expect people to take you seriously.
How do I know your comments aren't being sponsored by a rival YouTube channel?
You don't. But if I said, "I'm not being sponsored by a rival YouTube channel" would you just go ahead and believe me? What if I also linked to a bunch of videos from a rival YouTube channel while repeating that I'm not sponsored by them.