Board Thread:Event Community Discussion/@comment-25730832-20170511175819/@comment-460323-20170512203827

Ar-cen-ciel wrote: This is going to problematic for various reasons, because there are maps and quests that does discriminate against certain ship types and categories. Gangut and Abukuma is a special case in-game, but we can't completely ignore ship types because map branching are determined by ship type, not by their role. Also, as Vchrang stated, escort is a naval ship role, which means Kasuga Maru and Taiyou could also be considered as an escort ship. We'd be in serious trouble if we ended up causing confusion over an overly board ship category. It's like saying we can get away with aviation battleship or cruisers for branching that needs CVs. I think we're thinking the same way, but the way you phrased it makes it sounds as if you disagree with me instead.

For all intent and purpose, no one's going to mistook escort for Kasuga Maru / Taiyou. Kasuga Maru is a CVL simply because that's what the devs designate her as. No one other than those interested in naval history ever takes ship types as anything more than game mechanics.

If anything, I think people prefer PF over EE just because typing escort is shorter than patrol frigate.