Apple was forced by the EU to stop using their old and worse connector
So they’re complying, but they’re purposefully limiting the less expensive phone as a malicious compliance to that
Pretty simple really
So lightning cables offer transfer rates of 480Mb/s - USB 2.0 offers 625Mb/s. You are cross that they swapped out Lightning for USB on the main models and use USB 3 as a differentiator in the Pro models. Fair enough, but that’s not ‘malicious’. It’s not even malicious compliance.
USB 2.0 is also 480Mbps.
Lightning connectors are definitely worse than USB-C, but when they were introduced the alternative was micro USB which is objectively worse than Lightning cables.
Of course, with wireless charging I haven’t used an actual cable in five years so it doesn’t matter that much to me.