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I change my oill every 5k for a few reasons:
There is a noticeable difference in sludge & varnish that’s builds up with 10k intervals. Eventually it’ll clog something up.
Auto manufacturers aren’t interested in their cars lasting forever. They sell new cars for a living. 10k changes mean you’ll be in the market sooner.
10k oil lowers the “cost of ownership” metrics which helps them to sell cars. Again, it’s not about longevity.
Oil & filters are cheap compared to engine work. I do my own changes, which gives me a much better view of my car’s health. Maintain them well and you’ll get more trouble free miles out of them.