The purpose of the indictments isn't necessarily to tie Trump to anything. That's not their aim. They merely allege that Russian nationals interfered with the 2016 presidential election, a fact that was already well known. Mueller is accusing Russians of engaging in a "sustained effort" to hack Democrats' emails and computer networks. Also included in the charges are bank fraud and identity theft, absolutely prosecutable crimes.
The DOJ says the hacking targeted Hillary Clinton's presidential campaign, the Democratic National Committee and the Democratic Congressional Campaign Committee, with the intention to release that information on the internet under the names DCLeaks and Guccifer 2.0 and through another entity.
That repetition of the phrase "and their co-conspirators" is crucial and may imply this indictment is only half of a whole a picture. Yet to come is identification of and charges against co-conspirators.
This isn't about crucifying Trump, it's about election meddling and the very possibly illegitimate election results that stemmed from it.
Actual thinking people understand this is a long game and only the latest chess move on the board. But you keep crowing.