Flexibility is not the opposite of scalability. Maybe he means writing hacks, but then you have problems after 200 of code already. If he means dynamic typing a

Flexibility is not the opposite of scalability. Maybe he means writing hacks, but then you have problems after 200 of code already. If he means dynamic typing and lambdas, that doesn't prevent Python from being scalable. Startup or big corp. The equivalent of Typescript is Google Closure not Dart. Dart could kill JavaScript one day, but that doesn't seem to be the topic here. What does the author try to communicate here?