why is there a question as to what the best practice is. If you always use a semicolon you have no ambiguity and thus no errors resulting from it. if you don't

why is there a question as to what the best practice is. If you always use a semicolon you have no ambiguity and thus no errors resulting from it. if you don't always use a semicolon you have ambiguity and the resulting compiler errors. Why would you ever not use them other than lazyness?