As I stated before, the implementation of the duty finder is something I wanted since I took over FFXIV version 1.0. I even think I mentioned the word "Finder" during some of my early interviews. We worked hard on balancing the difficulty, information that can be obtained through the UI, the number of times you can wipe to a boss, being able to re-challenge in case you fail, for "party content that can be played using the duty finder."
Therefore, players will be able to solo their way through level 1 to 15 as a battle class. From level 15 to 35, the players will "learn the basics of party play." After level 35, we expect some players to really start talking about the mechanics and strategies for boss battles.
Even with the 2.5 second global cooldown, from a newbie standpoint, it's almost impossible to have a conversation during battle. Therefore, we intentionally left some extra room during the content (i.e. at the start, before a boss battle, when opening a treasure chest after the boss battle, etc.) to make it easier for players to say converse and to strategize (not including the battles that occur during the main scenario after defeating Ifrit). We would like new players to start using the chat after they are comfortable with the game.
Therefore, we're not expecting players to chat during battle until they reach the high-level content. Chat should mainly take place "in between battles," "in between content," "in the city/field," and "during FATE." Of course, we expect players to form a party through /shout to have a better chance of beating battle content. While shouting may take some courage, I personally love seeing the conversations that take place via say and shout. I look forward to players talking about item stats, strategies, linkshell/free company recruiting, and general Q&A. We'll do our best to support the players from the system-side and the through the Lodestone. However, please note that no matter how fulfilling the system is, it's up to the players to utilize the system to communicate with other players.
We plan on actively supporting the community by enhancing the linkshell/free company features, invite features, implementation of a mentor system, etc. What would an MMORPG be without friends?