I am surprised that NTP project is not funded, fully or partially, by larger organizations or governments, given the criticality of the project.
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You can use the public Google or AWS pools if you want. Note that they have their own software, too, so be sure you understand the differences like leap smearing.
Blocking FAANG IPs from the NTP Foundation’s pools wouldn’t hurt FAANG at all. It would only hurt people who weren’t aware and used the NTP Foundation’s pool for things.