Yea, I mean, I'm intending to use my current phone (Samsung A52s) for at least 4 years, if not 5. I just hope Samsung won't be a pain with it over battery replacements.
When the covid hit in 2020, most schools opted for online classes. People from India bought lot of phones as cost is way less compared to laptop or tablet. So the 2020 is peak.
If we have data prior to 2020, we can see the 2020 is an outlier.