Well, lets not forget hidden codes on printed paper so rhey could be traced back to a specific device. Thats not really nailing it since that was before enshittification.

Some 3D printer companies tried enshittifying, like DaVinci. Fortunately, they got out maneuvered by companies making printers that were almost cheap garbage, but just good enough, like Creality.

A lot of that has to do with open sourcing the designs, and that it doesn't take a major research arm to design a 3d printer. Getting a 2d printer to align ink to 300dpi is pretty difficult, and even more so with color. 300dpi isn't even that impressive. That industry is tied up in patents and trade secrets, and it's difficult for a new competitor to emerge. Conversely, I know people who designed top notch 3d printers out of their personal workshop.

Isn't it the printer that brick itself when the purge-sponge is ultimately soaked with ink ?

I rarely print anything but when I do it is almost always documents.

I bought a brother laser printer. It's only black and white but it has been flawless on every device I want to print from. I expect the starter cartridge to last me at least another year and any replacement will have a larger capacity.

The ink jet that got replaced would have had at least 3 cartridge changes by now and those easily cost more than what I spent on the laser printer.