GitCode, a git-hosting website operated Chongqing Open-Source Co-Creation Technology Co Ltd and with technical support from CSDN and Huawei Cloud.
It is being reported that many users’ repository are being cloned and re-hosted on GitCode without explicit authorization.
There is also a thread on Ycombinator (archived link)
The code needs to maintain the copyrights and authors. They are “mirroring” usernames into their own domain, with mails that dont correspond to the original authors, stealing their contributions.
That would make it plagiarism, which ethically is a whole different matter than merelly copying that which is free to copy.