Citation needed. The rest of the world seems to agree that he was in fact a pawn to a "dark and evil power", as you put it.
Here's my citation:
https://www.washingtonpost.com/news/democracy-post/wp/2018/0...
"Assange behaved as an instrument of the Kremlin operation which, in an excruciatingly close election, may have made just enough of a difference to secure Trump’s victory."
...
"Mueller’s investigators have recently questioned at least five witnesses about Assange’s role in the 2016 campaign."
> that the main reason why trump is president is because someone broke some rules.
The evidence shows this pretty clearly. Also, "broke some rules" is a pretty silly way to describe the literal murders that have taken place re: Russia and the election. It's also an obviously biased way to describe the incredible scale and power of electoral propaganda along with bribes and hacked voting systems.