"Official" (aka well-known/have a high "Impact Factor") journals give you a stamp of approval that help you get recognised in your career, and in some fields ar

"Official" (aka well-known/have a high "Impact Factor") journals give you a stamp of approval that help you get recognised in your career, and in some fields are where your peers go to stay up to date on new potentially relevant research. (Disclosure: I volunteer for https://plaudit.pub https://plaudit.pub, a non-profit that aims to separate that from the publication process.)