Lots of people have expressed the desire to do it, I wonder how many followed it through?
The information more or less confirmed what I do anyway, I don't pitch until nearly dark, I sleep, get up early and move on. No one as yet, as far as I know, has ever known that I was there.
I use the same equipment, clothing, tent etc that I use on a site, so have not done any special purchases. I do ensure though that I have plenty of water, some food and battery power, for head light, back up torch and phone, there's rarely a street light on my wild camps.
In my case I prefer a bivvy and tarp when wild camping, makes me feel I'm more in control.
And in my case I prefer to camp on the edge of a field (no animals in it of course) and do not seek out woodland settings.