What's there to address? 1% stable funding is still 1% you can rely on, just because you receive additional funds from private sectors or alternative sources that are unreliable, doesn't negate this. You can literally see this in CPB funding, where private sources are incredibly variable, and that is what CPB gets, NPR is only allotted a portion.
Income from a job is stable (relatively), income from other sources like say a monthly donation, is unstable.
So yes, my example is still accurate: they rely on the 1k/mo as STABLE funding.