Used to deny or qualify a statement — 'it does not necessarily mean that...' or 'I'm not saying that...'.
彼が来ないからといって、怒っているわけではない。
Just because he isn't coming doesn't mean I'm angry.
値段が高いからといって、品質が良いわけではない。
Just because the price is high doesn't mean the quality is good.
彼の話が全部嘘だというわけではないが、話を鵜呑みにしない方がいい。
It's not that everything he says is a lie, but you shouldn't take his words at face value.
病気で休んでいる＝さぼっているわけではない。
Being absent due to illness doesn't mean you're slacking off.