This is getting interesting. Let's open it and see, basically, they all appeared in court as company employees.
As for why his proxy identity was never uncovered, it's quite simple. Nowadays, the court's verification of proxy identity is mostly just a formality.
Needless to say for lawyers, having both the practice certificate and the lawyer's certificate is enough, just a glance and there's no issue.
For company legal affairs, when the company presents a labor contract, and materials such as a citizen proxy recommendation letter, with bright red company seals, would the court actually go to the trouble to specifically check if the proxy is really a company employee?
Anyone who has had practical experience knows, basically, they won't check. How busy are the grassroots courts already? To take the initiative to check these would just be creating trouble for themselves.