What's up with this 64GB USB thumb drive appearing as two disks?

What's up with this 64GB USB thumb drive appearing as two disks? I recently purchased a 64gb usb thumb drive, but for some reason it appears as two disks on every system I've insert it in. I've tried to repartition it in Linux, Windows, and MacOS to no avail. Here's the dmesg when I insert it in a linux box:
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Guest [Entry]

"Here is the explanation directly from Centon:

Question: I recently purchased one of your 64GB DataStick flash drives, and I was surprised to find that the 64GB device was formatted with two partitions. Why is this? Can it be re-configured?

Answer: Due to a limitation in Windows 2000/XP/2003 computers, drive volumes cannot be formatted in capacities larger than 32GB using the FAT32 file system. As a result, to ensure the drive can be recognized by the most number of computer systems, our 64GB drive is partitioned into two 32GB volumes. The Windows formatted capacity is roughly around 30GB.

When the 64GB drive is connected to your Windows computer, it will be assigned two drive letters.

The drive cannot be reconfigured into a single 64GB partion. The partition on these drives is hardcoded into the USB-to-flash controller chip.

So no, your drive is not faulty. They decided that the best thing for you, the consumer, is to actually use two seperate drives. I would be mad if I ordered a USB drive and realized that the manufacturer created this restriction without any mention on the product description page."