Not sure it’s really relevant how long someone spends on their phone. The only thing that matters to them are sales, and the simple matter is that larger screens sell better than their smaller counterparts.
The more time someone spends on their phone, the more likely they are to want better ones, the more likely it is for their phones to break, so they end up selling more. Also, it’s very likely that manufacturers have partnerships with corporations like google, meta, etc, that profit a lot from increased phone usage.
Not sure it’s really relevant how long someone spends on their phone. The only thing that matters to them are sales, and the simple matter is that larger screens sell better than their smaller counterparts.
The more time someone spends on their phone, the more likely they are to want better ones, the more likely it is for their phones to break, so they end up selling more. Also, it’s very likely that manufacturers have partnerships with corporations like google, meta, etc, that profit a lot from increased phone usage.