[egwor]

See joshvm’s reply here: https://news.ycombinator.com/item?id=31112241

[rahimnathwani]

MFi doesn't cover USB-C chargers: https://mfi.apple.com/en/faqs.html

If MFi did cover chargers, the iPhone warranty conditions would then be forcing you to buy a charger that is made by either Apple, or a company that's paying fees to Apple.