News reel:

- Big company/person X is does beneficial thing Y

HN:

- It's just a PR stunt!

- It's a ploy to leverage something else and make more profit!

- It's so tiny that it doesn't even make a difference! If they REALLY cared they'd do A, B, C...

- They're actually doing Y to accumulate Z for some nefarious purpose!

- I once did some interaction with X or their products and it went poorly!

- X has skeletons I, J, and K in their closet! Watch out!

- Man, what's with all the X haters on HN today?

- Hoo boy, here come the X fanboys!