Except for the problem of Congress actually investigating that. Now you may be right in the end, but since neither you or I are in a position to make the judgment, what you're really doing is making an unevidenced declaration. Nixon's supporters, like Ronald Reagan and George HW Bush did much the same thing as Watergate began to simmer, and in the end, despite claims by the Administration and its cheerleaders, even Republicans came to recognize that Nixon had indeed committed impeachable offenses.
So maybe it's all fabrication, though if it is, you're talking about a vast web of conspiracy involving a whole lot of actors, some of which are pretty much political opponents. But if it makes you feel better, then all the power to you. But keep in mind, the only thing right now keeping Trump in the White House is the GOP's general fear that removing him would do them political damage, and the fact that, innocent or guilty, the man seems incapable of opening his mouth without somehow sounding like he's indicting himself, eventually that will chip away at the base, just as Nixon's failings begin to erode the base. So while I'm sure you will remain a true believer, and refuse to accept anything that Congress or the three letter agencies say, and will doubtless hold the torch for Donald Trump until you expire your last breath, it's not you who is going to be making that decision, it's Republican lawmakers, based on whether or not Trump's failings, real and imagined, threaten to do political damage to the party.