We will never be able to de-anonymize all Tor users
No, but the implication is that they may be able to do a lot of it, and we can never know.
What came just a few pages later in the presentation you referenced is “Goal: expand number of nodes we have access to”.
That has been their goal for practically decades at this point.
Is it really some conspiracy-nut level stretch to think they might be operating thousands of nodes today and have much deeper penetration than we think?
No, but the implication is that they may be able to do a lot of it, and we can never know.
What came just a few pages later in the presentation you referenced is “Goal: expand number of nodes we have access to”.
That has been their goal for practically decades at this point.
Is it really some conspiracy-nut level stretch to think they might be operating thousands of nodes today and have much deeper penetration than we think?