Please try to stay on topic and not just post personal attacks. Do you have anything to say about the actual issue of age discrimination?
> Calling out unsubstantiated claims
Are you seriously not aware of how "culture fit" is used in the real world? Citations are generally not needed for common knowledge. Water is wet. 2+2=4. Asking for citations in such cases is just a harassing tactic. There's even a cartoon about it.
https://knowyourmeme.com/memes/sea-lioning
You still have yet to address the actual topic. Stop stalking; start contributing.