1. Nobody suggested we exclude inconvenient intelligence organisations.
2. Irrelevent because:
3. Low confidence, but probable merely implies plausibility, at least a somewhat higher likelihood than a wild previously unencountered zoonotic.
Based on all publicly available information it does seem more likely, the CIA will be better informed than the public, if they (and others) concur then I don't see why we need to dismiss it.
2. The lab leak hypothesis is geopolitically convenient for the US
3. They explicitly state "low confidence" in their affirmation of this hypothesis