Bottom line is that Tim Cook’s putting profit margins before product performance here. But sure, let’s make excuses for it…
The whole power efficiency argument is such a poor excuse. No kidding it’s power efficient if it doesn’t do anything.
Power efficiency is more important to a lot of of iPhone users than modem transfer speed. People who buy the cheapest transfer don't download large amount of data and needs it to take only a couple of seconds.
I have a 5Gb monthly plan and 5G will allow me to use my entire monthly usage in 10 seconds. Hurray!