I'm not interested in a lengthy semantic debate about what "can" means but I'd hope we could agree at least one possible interpretation includes things you're unwilling but able to do.
Generously, what difference does it make to any person if you technically achieve some result but in practice are not able to realize that end state?
Generously, what difference does it make to any person if you technically achieve some result but in practice are not able to realize that end state?