Two things: First, he can't say it wasn't Russia. What he can say is who it was. The difference is who that person was influence by. For example, I can say it w

Two things: First, he can't say it wasn't Russia. What he can say is who it was. The difference is who that person was influence by. For example, I can say it wasn't Russia, but the person could actually be an agent of Russia without me knowing. I wouldn't be lying, but my statement wouldn't be true. So, that's why people don't consider the denial to be concrete. Secondly, about your second point, many people will downvote you simply for complaining about downvotes. Next time, just wait. Votes eventually land where they should be, and complaining about votes adds nothing to the conversation.