Part of the reason we equate "old" with "good" like that 70 year old juicer is survivor bias. We don't dig through the landfill to find out how many broken 70 year old juicers are buried there. That said, I suspect that in another 70 years, Walter's juicer will still work, but you won't find any working examples of juicers from 2022. It should be obvious to most people at this point that any appliance with the word "…
I have no evidence to back my statements up, and I'm using extremely vague language, but this is at least my perception of this idea that "they don't make 'em like they used to."