I use that too, but it does stick out from the phone a bit. But if used in a case or shell, it is not vulnerable.
I've been using such magnetic adapters for quite some time, too. Since then, the same cable is good for both USB-C and Micro-USB connectors (as well as Apple's proprietary connector). Plugging and unplugging is much easier and quicker, too, which I especially like in the car. I would like the adapters to be black instead of white/silver for cosmetic reasons, but I don't find them too ugly as they are, either. Perhaps the best feature is that it reduces the wear on the pho