We've got a polygon feature class of parcels around a lake boundary that is incredibly accurate. The editor did a really thorough job of following all the inlets and meanders along the edge. From just a cartographic perspective, it's a great set of polygons.
Unfortunately, the result is an incredibly slow layer when we need to add it to a map service. Even at a fairly close zoom scale, it takes up to half a minute to load some of the more complex areas.
The obvious solution is to simplify the geometry. Unfortunately, the data owner doesn't really want to do that on his original layer (he's concerned about losing complexity when making static maps). There is department reluctance to make a new simplified copy because of recent pushes to reduce duplication of data.