That would just cause undo confusion and really the point is every tiny lake does not need to be shown, just the ones big enough to actually be seen at the Q-BAM level, it's similar to the Worlda, some people use one that has lake Balaton shown when in reality it would not properly show-up at that level.
To be specific, my threshold for showing a lake at all is that the pixel's area should account for at least 25% water. In essence:
Tile is: Draw as
0-25% land (75-100% water): Draw as coast if this is required to visually separate two land masses. Otherwise, draw as water.
25-75% land: Default to draw as coast, then as a second pass edit, change as many as possible to either land or water while still maintaining a continuous line of coast pixels. Inland lakes that contain no 'water' pixels change to river pixels.
75-100% land: Always draw as land.