The fact that you see nothing wrong with this is probably the source of the issue.
Hrm, the national animal of China, long the symbol of China and things Chinese, being paired with weapons and paraphernalia from a culture that, well, historically, has been someone at odds with China. Fifty years of forced labour, millions of deaths, a shopping list of crimes against humanity, tends to leave the population with something of a negative view of their oppressors. And, having some American come along and cluelessly glue the two together, well, it might be somewhat of an issue.
Kind of like dressing up bald eagles with swastikas and jackboots and then claiming that there's nothing to worry about here.
You're giving me ideas here.