Art Evolution: Discussed multiple times across different videos.
Repeated again when detailing the early events of 2020: threats of World War III, the global COVID-19 pandemic, and Shenmue III being a disappointment.
John was not fond of many of the events of 2017, with Trump riots, North Korea disputes with America, and Eromanga Sensei getting air time.
John notes that One Piece has many loose ends that Oda leaves still unanswered, such as: how Blackbeard can use two Devil Fruits when he should instantly die from it, whatever the Eldritch Abomination at the end of the Thriller Bark arc was, and how nobody wears an eyepatch in spite of the work being centered about pirates.
He acknowledges that most of his problems came from making an uninformed decision and then trying to resolve it all on his own, whereas if he had asked help from his viewers or other knowledgeable people the whole thing could have been avoided. Ultimately, he feels that if there was any real lesson to be had from his awful experience, it's that you shouldn't be afraid to acknowledge your limits and accept help from other people.
JADWAL TAYANG DRAMA KOREA ABYSS PC
An Aesop: Discussed in his Buying a PC With Dell video, which chronicles his frustrations and anxiety over him ordering a new PC that he couldn't get working properly and which he struggled with for months.
The game's decision to limit large swaths of the story to supplementary material and DLC causes the story to feel disjointed and uneven, and prevents much of the story overall from having its desired result.
All There in the Manual: Far and away his biggest complaint regarding Final Fantasy XV.
Even then, John is not so much critical of the aforementioned recursive fanfics as he is surprised by how deep the proverbial rabbit hole goes.
While he takes a look at the Recursive Fanfiction surrounding Undertale, he largely praises the game itself for telling an emotional story, whether you're playing a Pacifist run (where you feel like a hero) or a No Mercy run (where you're the Villain Protagonist).
He has made a few negative/mostly critical videos about certain works, such as the 2016 adaptation of Berserk and the Junji Ito Collection anime.
He states that his main criteria in this regard is if the media's failure has a story behind it, or if he sees a large amount of missed potential. He has stated that in general he tries not to go after pieces of media, as he'd much rather focus on things he's actually passionate about.
Accentuate the Negative: Mostly averted.
Tropes discussed in and applying to Super Eyepatch Wolf