> Then you end up with a program where the users can never trust it to have any given feature. That's the "glass half empty" pov. The "half glass full" pov is

> Then you end up with a program where the users can never trust it to have any given feature. That's the "glass half empty" pov. The "half glass full" pov is that anyone can still use their favourite piece of software even if an obscure and/or useless library is not available to them.