But even the car thing is not the responsibility of the manufacturer to fix. It’s the owner’s responsibility and only of they actually are using it.

If companies have to update all products to keep up with modern safety standards, it would mean no new products would ever be made and the products would be exceptionally expensive since you’d only buy them once. That’s not the type of economic system we live in.

And no, a router that is defective is not going to tank the digital economy just because the manufacturer doesn’t fix it. Definitely not a d-link product. That’s why enterprise grade commercial products are so much more expensive. They are designed for longer life. If that’s what you want, then buy a commercial product and pay the company a subscription fee for support or warrantee in cases like this.