I know that the chat range of symbol arts are said to be getting options when they're getting re-enabled for area chat. But that's not enough, now that they temporarily disabled the symbol arts in area chat the bots have been getting sneaky with area chat too. I think having the area from the command room/tower on should have a separate chat range, and so should the areas from the cafes on would work well to make this a bit less bad.
People rarely talk from actually inside the tower, and the people who would want to go in the cafes want a little more privacy by having their chat be separate from the central area, and bots are still abusing the range of the chat in that area anyway. The bots are hiding in corners that are hidden near the edges of the city next to the houses (which are within the aforementioned areas past the cafes), but if a separate chat range was there the bots wouldn't want to go there because it would be harder to advertise. If they couldn't speak from there they would have to stay in areas where it's easier to block them to send their message to more people.
It's nice to be able to type from anywhere within the city no matter where you are and have everyone see it, but the negatives outweigh the positives of it, there need to be restrictions so we don't have to go searching too much for people we have to block, and I don't think anyone should have an issue with the ranges I listed as they are still pretty large and contain a big chunk of the city.
The other areas are fine because everyone is spread out the bots aren't going to waste time going around the other areas.