Apple was never much into slow adoption.
I'm actually kinda surprised that they didn't remove the headphone jack. That would actually be a really effective way to push the adoption of USB-C :)
No USB-A ports (and no Ethernet) really sucks for a lot of people. Apple will continue to be a profitable company. These things are not contradictory.
Or how the iPhone was the perfect ergonomic size and all anyone should need or want... and then they embiggened it?