I work at a print shop for a living. I'd say you're mostly correct. The only concern is that the equipment, technique and paper make a huge difference and can shuffle those around a bit.
Here's the thing, a good inkjet printer will likely have more than just CMYK for it's ink. The Epson P9000 sitting next to me has 10 inks, and uses a CMYOGVK print scheme, plus has a light black and matte black to go with a gloss black. So it'll blow our offset press out of the water. However, some print shops do run a CMYOGVK color system. It's rare, and expensive, but when done, due to the higher line screens capable on an offset press, you can actually surpass a good inkjet printer.
Now, the term digital printer, or digital press, usually refers to a laser printer. They use toner, which is small plastic balls that are melted onto the paper instead of liquid ink. They typically fall behind both the offset and the inkjet. However, there are higher quality digital presses, like the Kodak Nexfinity or the HP Indigo press, which can come close to a good offset press, and surpass a mediocre one. Once again, they're more expensive and less common, so it's not what your stuff is getting printed on if your going with a low cost online digital printer, like Vistaprint. So "digital" prints don't have to mean bad quality. It's just that cheap "digital" prints are.
And of course the quality of a darkroom print is determined by the skill and technique of the printer, and what all is being done to the print. So if you're printing something super large or needing to do some heavy editing to it, it can actually come out better as an inkjet print than a darkroom print. This is because software has certain advantages that you just can't replicate as well in a darkroom. For instance, there are AI learning softwares that can blow up a scan of a negative well beyond what you can do with an optical enlarger. That's because they can use the AI software to interpret what the missing pixels would be based on what is present. So they can actually give you more detail than what was present in the original film. And unlike the fractal imaging software that preceded them, they are scary good at this! Again, this isn't cheap or common. But it's out there.
So I guess my point is, there's an exception to every rule.