[20] Brewis' videos often take the format of mini-documentaries, with him talking directly to the camera on a particular topic interspersed with comedic sketches and gags.

[10][22] Due to his videos debunking right-wing and alt-right ideas, Brewis has commonly been described as a part of BreadTube, an informal network of left-leaning YouTubers;[21][23] however, he does not associate himself with the term.

Prior to its release, Brewis attempted to upload the video and found it automatically blocked by YouTube's Content ID system.

Brewis opted to extensively re-edit the video to circumvent this automated detection and hire a lawyer to review the content in order to ensure it complied with fair use prior to publication.

[27] In November 2022, Brewis published "ROBLOX_OOF.mp3", a video essay which documented many of the high-profile claims that Tommy Tallarico had made concerning his career, including being the creator of the sound effect at the heart of his Roblox legal dispute, his Guinness World Records, and being the first American to work on the Sonic the Hedgehog franchise, and concluded many were either exaggerations or knowingly false.

The livestream featured many notable guests, including U.S. Representative Alexandria Ocasio-Cortez; activist and whistleblower Chelsea Manning; actress Mara Wilson; journalists Paris Lees and Owen Jones; Adam Ruins Everything creator Adam Conover; author Chuck Tingle; Matt Christman and Virgil Texas of the Chapo Trap House podcast; Donkey Kong 64 composer Grant Kirkhope; NFL athlete Chris Kluwe; game designers Rebecca Heineman, Josh Sawyer, John Romero and Scott Benson; YouTubers Natalie Wynn, Lindsay Ellis, Abigail Thorn and James Stephanie Sterling; as well as the contemporary CEO of Mermaids, Susie Green.

[10][32][33] Colin Mochrie, Neil Gaiman, Cher, Matthew Mercer, Adam Savage, Hidetaka Suehiro and SonicFox tweeted in support of the livestream and the charity.

[37][38][36] The Guardian called it "an antidote to the worst of gaming culture",[10] and it was praised in a motion lodged in the Scottish Parliament by Green Party co-convenor Patrick Harvie.

[8][54] His 2017 video on VHS, which was produced in collaboration with Shannon Strucci, was praised by TenEighty Magazine as an excellent "deep-dive" in the topic.

[56][57] Brewis' Climate Denial: A Measured Response was nominated for Sight & Sound's 2019 list of the best video essays of the year with Shannon Strucci saying: "this is the hardest I have ever laughed at any video essay ... and the humor and energy Harris[a] brings to his work without sacrificing sincerity or depth of research is, as far as I am concerned, unparalleled".