It's not a mountain out of a molehill. Other than being annoying (and it is. I
believe Linux deserves better cleanup of such stuff at its current maturity
level), it is plainly bad. It is even a kind of DOS vulnerability: all the X
error messages are collected in a file in your home directory, and that file
can grow exceedingly large, up to actually eating up your disk free space.
It's not a mountain out of a molehill. Other than being annoying (and it is. I
believe Linux deserves better cleanup of such stuff at its current maturity
level), it is plainly bad. It is even a kind of DOS vulnerability: all the X
error messages are collected in a file in your home directory, and that file
can grow exceedingly large, up to actually eating up your disk free space.