The Philippine Coast Guard said one of its ships encountered “shadowing and initial blocking” by Chinese vessels while en route to rescue the crew of a stricken Filipino fishing boat. The Chinese ships ceased these actions and offered to help after being informed about the “humanitarian mission”, it...
If they were found not helping, it was proof of their malevolence.
On the other hand, If they were found helping, it was merely because it was a cheap propaganda win and because they didn't want to get caught with proof killing Filipinos in Filipino claimed waters.