The brine thing is just a way to shut down conversation and let people feel superior for claiming there are no solutions to our problems except to reduce our standard of living.
It’s obvious you can safely put salt back into the ocean with enough dilution. I bet a middle schooler could design a system to do it.
Yeah, middle schooler with middle school understanding can design anything. There are plenty of middle school solutions in the comments around. The problem is when they meet real world, beyond their high school level understanding of the issue.