Besides, you have to use some methodology, either you create it yourself or use a ready-made one, such as BEM, going crazy is not good, not to mention diving into the past with CSS-in-JS. Anything *-in-JS is no good, so you can use the same CSS in any other non-React application.
For further actions, you may consider blocking this person and/or reporting abuse
We're a place where coders share, stay up-to-date and grow their careers.
I prefer BEM a thousand times over CSS-in-JS, it's like going back to the past, messing up all the code. Each one in its place.
Besides, you have to use some methodology, either you create it yourself or use a ready-made one, such as BEM, going crazy is not good, not to mention diving into the past with CSS-in-JS. Anything *-in-JS is no good, so you can use the same CSS in any other non-React application.