It's pretty common for noobs to do this when they have messed up permissions, because permissions errors magically go away. The OP on the Gentoo thread seems m

It's pretty common for noobs to do this when they have messed up permissions, because permissions errors magically go away. The OP on the Gentoo thread seems more than competent enough to know how to fix permissions issues though, so I agree it's a headscratcher.