You mentioned it in a way that makes #2 sound irrelevant because it's not the "original and primary definition" and diminished it with "recent times".
This is what people are taking issue with.
You're not actually accepting that definition as a proper definition. You're treating it like a minor offshoot.
And I have no idea why you think they're projecting.
Additionally, "heartily interested" in English usage implies an enthusiastic excess, large amounts, etc.
You mentioned it in a way that makes #2 sound irrelevant because it's not the "original and primary definition" and diminished it with "recent times".
This is what people are taking issue with.
You're not actually accepting that definition as a proper definition. You're treating it like a minor offshoot.
And I have no idea why you think they're projecting.