While those articles certainly highlight serious problems in spying oversight and a reckless FBI, they do not support your characterization of "fabricated fake evidence in order to advance a political agenda". For example, the pee tape doesn't represent even a majority of the potentially damaging information. While the FBI probably overstated the trustworthiness of the document, those articles don't claim the document itself was an outright fabrication or that none of the claims had any credibility.

You're splitting the line quite finely