You do understand that HOF voting does not have to clear through the U.S. legal system, don't you?
This is what it comes down to. There are a lot of people who don't think that PED users should be "rewarded" for their cheating any more than they already have (i.e., big contracts during their careers). The HOF is the ultimate reward for MLB players.
There is ample reason to believe that Clemens enhanced his performance with PEDs. Probably more so than (pick any random player from any random team over the past 20 years or so). Even you seem to agree with that, even though you don't care whether he used or not.
And that's why Clemens gets more scrutiny than Maddux or Glavine. There is a little more in Clemens case than "just about everybody did it" than there is with Maddux or Glavine.