@yew It's real data so it's quite valuable. I don't really see that anything large has changed to affect this data. Of course, it would be nice to have more recent data, but the fact the any genuine hard information exists is surprising to me.
Secondly, I will corroborate this data with my own anecdotal experiences. I have, and still do, find larger maps daunting. You usually get way more mass to manage, you need to do a transport build order usually and use transports and you need to defend and get intel on a much larger area. Not to mention that these maps can also include navy so it's so much new things to deal with. Back in the old days when Heaven was still active there was some kind of ice map that was massive and as a new player it was very stressful to get it.