Accusations are not evidence.
There is evidence. Trump has stated that he fired Comey, at least in part, because of the Russian investigation. (Lester Holt interview and Twitter)
There is also the Flynn evidence: we know that he had an inappropriate relationship with the Russians, and that the Trump administration was told this, but ignored those warnings.
There is also a lot of strange statements from Trump and ties between Russia and other members of his campaign team (manafort, kushner, carter). This is circumstantial, but warrants a closer look. which is precisely why there are multiple governmental investigations going on.
"No intent" is Comey bolony. Intent can't be determined. If I kill someone but didn't intend to, I am still guilty and will be prosecuted. Anyone in government as long as she was knows the rules. She deliberately broke the rules because she thought her position made her bullet proof.
So, according to you, there is only one type of murder. First degree, second degree, third degree, manslaugter, none of those exist. Intent certainly changes the charges brought and the severity of the crime. You are also ignoring the other reasons given: no harm was done and the violation itself was pretty minor.
Are you saying that comey could have stood up there and lied about the results of the investigation? You don't think that there wouldn't have been any other FBI agent that would have went to the DOJ and said "Comey is wrong, here's what we really have." Furthermore, Comey just gave the FBI's recommendation. The DOJ was free to ignore that recommendation and still prosecute if they thought there was actually a case. But they didn't.
I also like how you act as if we have zero evidence for Trump, but are more than happy to use "I think she must have intended it, therefore she did intend it" as evidence of Clinton's guilt, even when an extensive FBI investigation says you're wrong.