Sure, crimes should be prosecuted. There is enough questionable evidence here that voters should know about, the information should not have been suppressed.
You're demonstrating exactly why: because you don't care about corruption you just hate the other candidate. And that's the only value of the story, is for you to complain about it.
If there was evidence that Biden Sr. was corrupt his supporters would turn on him.
Trump’s corruption and Biden’s corruption are both relevant to voters.