Tips and approaches for judging whether to curate (select) or not

People often say to be very selective.

Meaning of "gen-sen" [厳選]

［名］(スル) To select with great care. To choose based on strict criteria. "Select the raw materials carefully"

Source: Digital Daijisen (Shogakukan)

There was a question about strict selection.

Selecting by strict criteria. How strict should it be?

If it’s too strict, you may not be able to enter.

That might happen, too.