So what's wrong with me wandering the map in PvE?

So this is what I normally do in PvE with an new champion

https://www.youtube.com/watch?v=yRoOT81Hg-8

TL;CW: I have commitment issues and I like to take the path of least resistance; which kind of irritates my team since my wandering usually leaves an lane open. And of course, I'm in the market for another runaway freight train like since I haven't found another who fits my kill-stealing style like .