Here are important links:
Using tuber: A vignette
YouTube Username to Channel ID converter:
Get all Video URLs from Channel
Sargon of Akkad https://www.youtube.com/user/SargonofAkkad100
Cult of Dusty https://www.youtube.com/user/CultOfDusty
Matt Dillahunty https://www.youtube.com/user/SansDeity/
potholer54 https://www.youtube.com/user/potholer54/
The Atheist Experience https://www.youtube.com/user/TheAtheistExperience/ <- disabled their comments!
The Thinking Atheist https://www.youtube.com/user/TheThinkingAtheist/
Aron Ra https://www.youtube.com/user/AronRa/
Edward Current https://www.youtube.com/channel/UC20U2rjFhakOCOlvJn0MAGg
Jeff Holiday https://www.youtube.com/channel/UCAldq8BAAGdsX9UyK_09-ZA
Andy Warski https://www.youtube.com/user/Andywarski
Computing Forever https://www.youtube.com/user/LACK78
Harmful Opinions https://www.youtube.com/watch?v=Mt41OxkAq7s
Vee https://www.youtube.com/user/veemonro
Bearing https://www.youtube.com/channel/UCwW_vaMPlq8J4weKDsfeJzw
Undoomed https://www.youtube.com/channel/UCTrecbx23AAYdmFHDkci0aQ
That Guy T https://www.youtube.com/channel/UCLJkNhB1Eg_mXx0quUju0Og
Blaire White https://www.youtube.com/channel/UCDmCBKaKOtOrEqgsL4-3C8Q
Paul Joseph Watson https://www.youtube.com/user/PrisonPlanetLive
Lauren Southern https://www.youtube.com/channel/UCla6APLHX6W3FeNLc8PYuvg
Milo https://www.youtube.com/user/yiannopoulosm
Black Pigeon Speaks https://www.youtube.com/user/TokyoAtomic
Mike Cernovich https://www.youtube.com/user/DangerAndPlay
Stefan Molyneux https://www.youtube.com/user/stefbot