You might suggest she read the two articles linked below.
Here is the pertinent part from the second article.
In general, harvesting does with fawns will not impact an individual fawn, unless of course the fawn is less than two months in age. Fawns older than two months, found in areas with good habitat, are just as likely to survive after the doe is removed. In short, if you need to remove does to get your deer herd at carrying capacity, do not hesitate to harvest does with older fawns.
http://www.buckmanager.com/2008/12/1...in-the-season/
http://www.buckmanager.com/2008/12/1...es-with-fawns/
There's another consideration. It there a button buck in that family? Do you want that buck to stay in your area?
Typically, before a button buck is a year old his mother will chase him out of the area. There's a lot of research that suggests a young buck chased out by his mother will travel several miles before settling into a new home range. But if the doe is harvested her buck fawn usually does not disperse when he’s a yearling.