I have said this in another quote in a language that people didn't understand (normative statements and positive statements):
If you are annoyed by the facts (positive statements), it is not because the facts are annoying. It is because the conclusion is annoying.
But the conclusion comes from an extra input - it comes from yourself: that is your value-input (normative statement).
If A means B, that's a fact.
If B is bad (your value input), then now we can draw the conclusion:
A means B, and B is bad, so that means A is bad!
Brendan has only supplied the fact. The value-input, which is necessary for your conclusion, comes from yourself. You are only getting annoyed by your own values and preferences, not any "agenda" of Brendan's.