The existence of an address is public. The relationship between an address and a hacker news account is typically not public. Providing this link can make doxxing significantly easier.
Sure, but the maps being enumerable doesn't reveal a relationship between an address and a specific Hacker News account. The maps being enumerable doesn't seem to be noteworthy.
Let's say you write that you are from Seattle in your profile and post a comment immediately after. Someone could check the recent maps that start in Seattle.
