No it won't. The beauty of Linux is that it can transform completely to fit your needs.
Making Linux more noob friendly isn't going to take away my custom terminal-centric tiling wm arch install.
More users = more developers = more options. Linux is already awesome, but growing will only bring more good.
If the many worlds interpretation is correct, that would mean that there's not really an infinite number of discrete realities, but more of a continuum. So there are infinite other realities in the same way that there are infinite points on a line, but this exact reality is still unique.