Good linters correctly highlight all missing semicolons as a symptom of sloppy, negligent, careless programming (or pointless syntactic showboating). It's also technically syntactically valid to omit braces around single statements after if, else, for, and while statements, but idiotic and dangerous to do that, too.
https://wiki.c2.com/?FixBrokenWindows
https://www.rtuin.nl/2012/08/software-development-and-the-br...
https://blog.codinghorror.com/the-broken-window-theory/
https://medium.com/@matryer/broken-windows-theory-why-code-q...