I suppose that's more polite than anything I could say about them. I don't think the FBI is incompetent. I think they're wholly bought and paid for goons for the DNC. Their jobs, so far as I can tell, is pushing the Democrat Party narrative, intimidating the Democrat Party's enemies, and flat out lying and making up bullshit to be used against anyone who interferes with the Democrat Party's attempts to destroy America.
They're thugs, used in a political war to advance the Democrat Party. They're not incompetent. They're doing exactly what they're bought and paid for to do.