OnePlus has responded to claims that it throttles CPU performance in the new OnePlus 9 and OnePlus 9 Pro. The company asserts that it was helping 'to provide a smooth experience while reducing power consumption' based on user feedback, even though it did not tell anyone that it had imposed a per-app CPU performance limit.
https://www.notebookcheck.net/OnePlus-statement-about-OnePlus-9-and-OnePlus-9-Pro-throttling-claims-leaves-a-lot-to-be-desired.549823.0.html
You can't trust anyone these days...
P.S. It's funny how the article ends in a "buy oneplus 9 on amazon" ;D ;D