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Wouldn't it make more sense for business-related products to do this, since the odds of being on a computer that has actual useful information to steal would be much, much higher?Not necessarily. That gaming machine has good odds of being in a local network with other, more important and interesting machines. It can also scan local Wi-Fi area and scoop up even more information that can be used later.
Thought these were obvious.
> Why would a company invest in this kind of tech, in a highly visible field, full of people who will go over it with a fine-toothed comb (gamers are obsessive), for what seems like a very low-percentage hit rate on obtaining information?
1. They invest nothing out of the ordinary. They already have programmers on the payroll. Not like they spend 200 million on this alone. (Although there are companies like Google and Facebook who absolutely would and have invested much more than this just to be able to scoop up as much private info as possible -- not sure why this seems so unlikely to you, today, in 2022.)
2. The field is EVERYTHING BUT VISIBLE. Nobody has ever seen the source of these programs (outside of the authoring companies). Nobody. Ever.
3. Games are obsessive but most of them are technically illiterate. They install these things without a flicker of doubt.
4. The low-percentage is how it seems to you. Do it on a few hundred million machines and you are bound to find something very interesting in a good volume. It's statistics.