It's a DSO first and foremost which just happens to be equipped with a certain $809 option[1] supporting a very specific application.

If you cared about digital decode only, and had confidence in both the SI of your interface and tooling, sure. Great when things "just work"...entirely unhelpful when they don't at the lower layers of hardware domain.

[1] https://www.keysight.com/us/en/product/D4000USBA/usb-2-0-tri...