That doesn’t make it ethical? “Everybody’s doing it” usually isn’t a great way to explain away anything. However, you can choose how to spend your money, and if you don’t like where they source it, it’s easy enough to… just not buy coffee. (Caffeine is an addictive, shitty drug anyway)
I think plenty of people agree that if the chain of production includes slavery, it doesn’t matter if they’re not directly employing them, they’re still using slave labor in service of getting the product to market. Once again, “everybody does it” isn’t really a good reason to keep doing it. Also, acting like it “doesn’t count” and that you didn’t move goalposts just means you’re not arguing in good faith here.
I mean, that’s the rub. If you pay someone who uses slave labor to produce a product, you are inherently financially supporting slavery, even if you don’t personally own the slaves.
Sorry, it counts, you knew about it, but tried to minimize it or act like “since everyone does it” it’s okay. I call bullshit.