I think In JavaScript, it often comes down to the fact that you want to use arrow functions if you need to reference this, for instance when creating callbacks

I think In JavaScript, it often comes down to the fact that you want to use arrow functions if you need to reference this, for instance when creating callbacks for events in a component class context. Since there are some use cases where it’s necessary, some people just use it all the time so as not to have to think about it. The only thing you lose is function hoisting.