Never heard of Infuse but don't Plex and Kodi both contact the vendor's server? That is enough to make me not want to go anywhere near them. I do know there are home media center distros for the RPI and PC and they are supposedly nice. I'd be ok with using one in principle, but I haven't cared that much about media UI to bother. I just use command line mplayer on my laptop if I want to watch a video, and that's good enough for me. I can understand other people wanting a more TV-like experience, which is also fine.