Was gonna post this in the poll thread but it got closed.
I think it’s a dumb question. Local is necessary because of how incredibly easy it is to find people in space with the tools and mechanics the game has (probes, easy to use dscan, PVE sites appearing either on probe scanner or via beacons visible on the overview). Wormhole space ONLY works because it limits some of these things (mainly ease of access, no gates and cynos in wormholes).
I tell all my wormhole buddies that I’ll support no local ink space when they support gates and cynos in wormhole space. You should hear the crickets chirping after I say that.
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The funny thing is that this topic is full of a kind of prejudicial thinking. Many people who think this is a good idea are the kinds that look down on null sec players (“nullbears” and “f-1 monkey” is heard a lot from them). So they think taking away local will hurt them, while not understanding the game’s past, which would make them realize that the change they are championing will probably screw them more than the 'nullbear/f-1 monkeys" they hate.
It happened with dominion sov ("its gonna be great, it will open up null sec for small groups, TAKE THAT GOONS!), with the buffs to mining ships ("haw haw my mining barge has more EHP, TAKE THAT CODE!), it happened with Wardecs and the watchlist changes (LULZ, now wardeccers have to work for their kills, TAKE THAT MARMITE).
This will happen with local, because the common denominator for all of these ‘backfires’ is that people don’t act according to how you think they will, they find ways to take advantage of things even when the intent of a change is to curtail such advantages (not trying to be political here but this is why IRL attempts to help ‘poor people’ by taking from the rich ends up making rich people richer and poor people poorer in the long run)