Lol. This topic is just for fun, right? 😂 Men death rate overcome women rate might because of... karmas. 😂 When most of Chinese population are paternalistic. They often despise women, consider they are not equal to men. When Chinese men all are dead, women just can uprise.

It's depend on activities you will do in traveling. If only traveling, visiting the famous places/buildings, public transports will be more convenient when there're always a lot of transferring services for you to choose. But if you want "backpacking", exploring the wild/infamous places by yourself, obviously your personal vehicles will be the best.

I do not think XRP will drop their smart contract functionality.