To protect your channel from COPPA, you can download all videos in the channel to your computer for backup or re-upload them to other platforms. Since online websites do not support batch downloading of videos, and most of them have suspicious and unsafe ads embedded, thus, it is better to use a safe and reliable tool like Jihosoft 4K Video Downloader.
This rule, to be carried out this month, applies to all the YouTubers, regardless of their location or their content (even if it is directed towards a mature audience). This sudden declaration has caused quite a big conundrum in the virtual world. According to the rule, YouTube can demonetise the content of YouTubers who fail to follow it and might even get fined.