In a way, modern material science is probably the reason that these kinds of ever-lasting machines are no longer manufactured today. We have gained the knowledge how thin and cheap we can manufacture parts so that they last exactly their intended life span, and not a year more. This knowledge has paved the way for capitalism to decrease the time between product cycles to their liking: if you want a well-built product, you better be ready to pay extra for it.
On the other hand, the decrease in cost to built a product also makes it affordable for more people.
For example let's have a look at household sewing machines. This ad [1] for the Singer "New Family" model puts the most basic model at $60, and these models were manufactured from ~1865–1900 [2]. The average wage in the US in 1870 was about $2.23 per day [3], so the machine cost about one month's wage.
[1]: https://ismacs.net/singer_sewing_machine_company/page1.html
[2]: https://ismacs.net/singer_sewing_machine_company/early_singer_history_new_family.html
[3]: https://fraser.stlouisfed.org/title/bulletin-united-states-bureau-labor-3943/september-1898-477571/wages-united-states-europe-1870-1898-498267?start_page=8
On the other hand, the decrease in cost to built a product also makes it affordable for more people.
For example let's have a look at household sewing machines. This ad [1] for the Singer "New Family" model puts the most basic model at $60, and these models were manufactured from ~1865–1900 [2]. The average wage in the US in 1870 was about $2.23 per day [3], so the machine cost about one month's wage.