I'm near the end of my (paying) career and have had about ten jobs. Most I eventually left just to "see more of the world" of tech work. (Two went bankrupt.)

I've only had one job that I quit "for cause". It looked like the best job I ever had, and would have been, except that my boss was a psychopath. It wasn't a close call, and I was seriously interviewing within three months of starting.

Except for unusual cases, all jobs are about the same. Any given job might be a bad fit for you personally.

Limited advice: If you're working with or for someone evil, leave ASAP. As for discretionary quits, keep in mind that your new job could be a lot worse, and you won't know until it's too late.