It also reduces physical fencing costs and adds the ability to herd by "moving" the virtual boundaries so that cows can be moved from pasture to pasture.
There's more on this on Landline
* https://www.thetvdb.com/series/landline/episodes/11325308
* https://www.abc.net.au/news/rural/programs/landline/2025-09-...
The RSPCA (Royal Society for the Prevention of Cruelty to Animals, Australia) is still reserving judgement on this, so far in seems that in "normal operation" animals recieve less shocking than with trad roll out electric fence lines (which are mostly a visual bright white tape cue that often are unpowered once animals "learn") .. BUT there's also a question of "how bad can this get in fail conditions".