Logitech fails to honor it's warranties

I bought my Logitech G533 a year and a half ago. Had decent reviews, and I got it new for a reasonable price on eBay. Two days ago, the mic broke, and I discovered it's a known issue (Reddit link) since 5 years ago. But, I thought, clearly this would be covered by its two-year warranty! Doesn't even require a receipt if you just need a replacement! So naturally the rep says:

1. The warranty applies from date of manufacturer unless you have a receipt to prove date of purchase.
2. They won't accept a receipt from eBay, as eBay's not a licensed reseller, and they consider the new, in box item "second hand."
3. They'd love to help me, but there's simply nothing they can do 🙂

Yes, fucking emoji and all. So I'm typing up a complaint to my state consumer protection agency and spreading the word not to trust Logitech more than you can throw them.

Is this standard? Probably. Should it be? Hell no.

At this point, might try to repair it myself; but I'll likely be out another $100 for my second headset in as many years.