@BobcatSkywalker
Just an FYI, some quick math
80% of the players fall into your category 1.
20% fall into your lazy, RL , category 2.
80% base for both all ingame modes, which could include a sandbox mode.
Of that 20% some portion of players 'X' would still do any game mode that has rewards or something that helps them progress or helps their guild, but dont do the sandbox.
80% + X is greater than 80%.
So yes it will be a lower % of players. No I dont think this is a good enough reason on it's own to not do it, but that doesnt make that statement wrong, by any means.