They've obviously made mistakes. Even the professionals can be sucked in by Pathological Science. If he suspects that collegues are out to suppress CF results, he must be a delusional paranoid. In Academia, nobody ever tries to suppress dissenting viewpoints. Antigravity - Violates Newton's laws, general relativity.
Matter attracts matter, never repels.
An obvious hoax. It is right that Tampere University quickly shut down his lab and ejected him when he tried to publicize his discovery. Don't be absurd. An obvious fraud, and whoever performed the work should be fired from their position. It didn't happen, so don't study it.