> 若者にありがちな悩みといえばそれまでだが、大人にとっては重大な問題だった。

The context is that the main character has never felt challenged until this
point in his life. My guess is that the sentence means something like
"although this is a common issue for young people (and that's the end of it),
it's a big problem for an adult."

What does といえばそれまでだ mean in this sentence?
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2022-10-07T03:22:29.007
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question
grammar
といえばそれまでだ meaning