Grammar
N2 verb-grammar

Not automatically so 〜というものではない

Meaning

"It is not the case that ~ is automatically so".

Formation

Notes

It rejects an over-general rule — doing X does not automatically make things good. わけではない denies one inference; というものではない denies the whole principle.

Examples

Expensive does not automatically mean good.

Breakdown
if it is expensive good is not necessarily so

An apology does not settle everything.

Breakdown
if you apologise be settled is not necessarily so

Longer study hours do not necessarily raise your marks.

Breakdown
study hours if long grades rise is not necessarily so

Long experience does not automatically make you good.

Breakdown
experience if long is skilled is not necessarily so

Newer is not always better.

Breakdown
anything if new is not necessarily so

⚠️ Often confused with

Just because 〜からといって

"Just because ~, it does not follow that …".

It is not that ~ cannot 〜ないことはない

"It is not that ~ cannot / does not" — a reluctant, hedged yes.