The problem with fining incredibly rich corporations, is they either laugh it off, or just pass that "cost" onto the consumers.
I suppose the options are things like:
a) International regulation against "disabling parts of a product without good reason". Products simply cannot be sold legally
b) Enforced warning signs on packets (like cigarette packaging) - each HP printer box or online advert must display a warning sign covering 60% of all images stating "We are a predatory company and will disable your products for no good reason".
If those don't work, then death penalty for top 3 highest ranking of the company and top 3 highest paid of the company, per violation, per year.
This and almost every other tech subscription style "service" are one of the most maddening things to come out of the tech sector. The need for profit is absolutely out of control.
The way that these companies use intellectual property law to secure for themselves a property right to something that someone else purchased from them ought to be highly illegal.
I believe there was a supreme Court case I better garage door opener, and the company that made the garage doors was trying to sue because they didn't want anyone using anything but their garage door opener. I could be mistaken, but I'm pretty sure that the supreme Court in that case explicitly stated that the purpose of the dmca is not to provide companies with a property right to something that people have already purchased.
Technology companies just went ahead and did it anyway.
I have a cheap HP printer/scanner. It works well enough it's not in the garbage but this and their "I must be signed in" to print bullshit have ensured I won't buy another HP printer when I either get fed up or it dies.