I mean, don't take my description for it, just scroll through her videos, watch some about things you understand, etc.
I am critical of her, but I would not put her on the level of Alex Jones or other really awful people. However, her blurb on the back of that "War on science" book is pretty gross.
Sabine absolutely is still capable of producing and understanding science. She chooses to make the content she does. She also clearly treats her youtube career as just business, making pretty good money from taking random science papers from random journals and using them as a reason to lambast all of science. Plenty of youtubers who do science, including people who post here like the guy from Applied Science, are pretty far from monetizing their content, sometimes to a fault, generally because they aren't looking to make crazy money, just cool stuff.
I actually hope she publishes more. This paper looks..... not good, but every good scientist has put out papers that are more like afternoon fun than rigorous work. That's fine by me. I would love for Sabine to produce real science, it's vastly more beneficial for humanity than her "Here's how science LIES TO YOU" slop. I tried to watch her in the beginning, but even then it was clear the kind of audience she was trying to cultivate. It feels gross.
I don't know if she truly believes what she says. Her complaints about being mistreated for being a woman seemed sincere, and not as trumped up as most of her videos, and there's plenty of sexism in science Academia, just like most places.
It's hard to criticize Youtubers for their thumbnails and titles, as the soulless youtube machine forces them, but there's definitely a pattern.
Basically, it's hard to look at people like NileRed, Explosions&Fire, Applied Science, Thought Emporium, etc who are literally running science labs through patreon funding and then Sabine says she's being silenced for her unorthodox views with over a million subscribers.
I'm tired of people claiming they are silenced while parrot literal mainstream talking points to an audience of millions.
Complaints about "The hubble tension shows we might not have everything right in our astrophysics models" is fine, dandy, I literally agree (I'm not a physicist), but complaining about string theory, which remember she's a physicist so she KNOWS nobody in physics actually spends any time, breath, or effort on string theory, and her claims that "Physics hasn't done anything in 50 years" is blatantly false and she is well equipped to KNOW this.
For context: if I did the napkin math correctly based on the Angel Collier video on this topic, it appeared to be easily over $2M/year. The grift pays very well.