Gruber himself has written a number of posts critical of Apple, some of them scathingly so.
Something Is Rotten in the State of Cupertino: https://daringfireball.net/2025/03/something_is_rotten_in_th...
Apple subsequently stopped providing Apple execs for his annual live podcast recording at WWDC. They don't confirm it was because of that piece (unsurprisingly) but it seems very likely it was.
“I wonder how much Cook dithered over that cheerful-looking exclamation mark. I hope he regrets it. … I wonder how much it stings to be reminded that all the money in the world cannot buy dignity. I wonder too, what taste Cheetos-dusted 78-year-old testicles leave in one’s mouth. Whatever the flavor, I hope it lingers.”
From the very end of this: https://daringfireball.net/2024/11/i_wonder
They are a pretty arrogant megacorp, and tend to make decisions that primarily benefit themselves.
But I generally have a positive relationship with them.