I’m afraid these things are related. Time-to-market and short-term profitability are paramount, trumping good customer relations.
My sister has an old Macbook Pro. I asked her to save it for me when she’s done with it, it’s such a solid machine. I still don’t have it. So, do you build something excellent that your customers love, that lasts a decade or more? Or do you build something that breaks in 3 years and allows you to sell a replacement? This is where the ethics and moral compass come in.
In particular its crazy how connections and cables of all sorts are unreliable now, especially stuff that has to be plugged in and unplugged: USB, Bluetooth, etc.
As for a modern TV not working after 7 years, since the era of flat screen TVs started with plasmas, I think 7-10 years is the standard lifespan. Vacuum tubes lasted longer but that's a different technology.