I do boycott Chinese products. I can't boycott everything because sometimes there are no alternatives but I do what I can.
Lebron can't solve this but what he can do is at least talk about it. One word and millions of people would know about it.
Same thing happens with the NBA. They're very vocal about BLM but when it comes to HK...you can't even buy a t-shirt with "Free Honk Kong" on it.