I don’t think anyone's mad at him. I do think people just see through his bullsh*t now.
Another example. He said he was "done" with rapping a few years ago because he "ran out of things to say". Same year, he had like 7-8 features. He didn't run out of anything to say, he just doesn't feel confident in recording a solo because he knows it won't meet expectations. The problem with 3000, is that he's not honest about that. Just say you don’t think you can make that classic today. People would understand.
Instead, he's going on these age-related rants to try and shield what his issue really is. He's insecure about his ability to do what he used to do. That's fine. But don’t front and make it about things that don’t even exist. The pretending is what makes this corny. Just say "I feel old now and I don’t know if I can do this at the level people want me to". That's respectable.
But there are plenty of OG's dropping mad music and literally doing what he claimed older rappers aren't able to. Nas, Common, LL, Cube, Big Boi, Snoop, Rakim, KRS, G Rap, etc. haven't run out of things to say. All of the legends are still creating. He should just say that he ain't got it no more. Don’t make it about age because we see that that's not even remotely close to being true.