I assume you trust these Chinese phone manufacturers not to put in back doors allowing the Chinese/Russians etc to see your data? I don't. There's a reason why the NSA et all don't trust them.
https://www.theverge.com/2018/2/14/17011246/huawei-phones-safe-us-intelligence-chief-fears
No thank you!
I'd rather buy something from someone like Samsung, Google or similar.
So you'd rather have the American and UK government have access to your phone. Is that what you're saying?