What is legal separation in Oregon?

When might someone file for a separation instead of a divorce in Oregon? https://www.oregonlegislature.gov/bills_laws/ors/ors107.html 107.025 Irreconcilable differences as grounds for dissolution or separation. (1) A judgment for the dissolution of a marriage or a permanent or unlimited separation may be rendered when irreconcilable differences between the parties have caused the irremediable breakdown of the marriage. (2) A judgment for separation may be rendered when: (c) Irreconcilable differences exist between the parties and the continuation of their status as married persons preserves or protects legal, financial, social or religious interest. https://www.oregonlegislature.gov/bills_laws/ors/ors107.html