There are many benefits of packing light. One of them is that when you bring less you have more alternatives. A compact backpack does not hold you back or tie you down from doing a lot of things while you are mobile. Aside from this, packing light offers convenience.
This is perfect if you are the type who likes to explore, walk, and check things out while traveling. It is always convenient to easily be able to tread the place with all your stuff and not feel like you first have to find a place to stay so you can leave your things. A bigger backpack attracts attention and people could easily identify you as a tourist. While this is not bad at all, it is always nice to blend in with the locals and their environment.
Security and safety are also other things that packing light could give you. Because you travel with a small-sized backpack, you can easily bring all your valuables with you wherever you go. It is also a way of making you and your things less of a target to criminals. A massive backpack is an attention magnet.