Check our WoW's Warden. It's been around since 200..7ish I think? It's pretty old news really, that's a more recent topic discussing it though.
Link tl;dr, part of WoW's EULA is to allow Warden to run on your PC, scanning your active processes, RAM, browsing history, and much more. In essence, it has full access to check and even modify (though I've never read of it actually modifying anything) anything on your computer. It got some news attention back when it was first added, but I was surprised to find something on it as recent as 2012.
I can understand Blizzard using something like this with over a million subscribers, competitive world first raid clears, competitive PvP, etc. There's a lot of reasons for them to keep things in check. Something like that in FFXI would be overboard though, and honestly more trouble than it'd be worth to them, at least if the recent Salvage vacations were any indication. I don't agree with botting, but tbh, the game has changed in such a way that what bots there are don't really cause any harm. When fish/cruor botting was a thing and there was dozens if not hundreds of millions of gil entering the game daily, that created a lot of inflation issues. When HNMs were a thing and claim bots made the same people/LSs claim on a consistant basis, that locked a large number of people out of content.
Anymore though? They give supply to the games demand, Skirmish pieces are usually stocked in the AH, valuable synth mats are stocked, and people are capping JPs. None of those things really cause direct harm. Are they wrong? Sure, but who cares anymore? These posts/witch hunts reek of the type of people who'd patrol a parking lot looking for cars parked in a handicap spot to report them, or other such nonsense that people partake in that makes you scratch your head and wonder "don't you have something better to do with your time?"