The answer, as usual, is that it depends. In fact, it depends on multiple factors: what does the camera support doing over wifi? And what kind of situations will your daughter use the camera in?
On the first point: some cameras only support downloading photos over wifi. Some support remote triggering (i.e. using an app on your phone or computer to tell it ...
WiFi on a dedicated camera is not useful.
There's no web browser.
It disconnects your phone from the internet.
It's an additional drain on battery, which decreases the number of photos that can be captured.
I tried it once with my main camera. Too unreliable and slow to be useful as a remote control or trigger. The range is ...
It is advantageous for several purposes, mainly remote live view and remote trigger.
Taking photographs on a tripod: usually when shooting far away objects with long exposure you use the 10-sec selfie timer to give the tripod+camera vibrations some time to die out, but when taking photographs of fireworks they happen instantaneously at a ...