No: Mozilla wrote the initial list based on their understanding of TLDs, and they maintain it based on a combination of opt-in and people noticing that domains

No: Mozilla wrote the initial list based on their understanding of TLDs, and they maintain it based on a combination of opt-in and people noticing that domains should be on the list. Have a look: https://publicsuffix.org/list/public_suffix_list.dat https://publicsuffix.org/list/public_suffix_list.dat