They're not emulating, they're virtualising. Direct passthrough to the hardware via a hypervisor API is possible, so it's possible that there is advantage to running an Intel-tuned VM on an Intel hardware platform.
Used to be reasonably common to have proprietary headphone sockets on phones. I seem to remember Motorola did it, and I -think- Ericsson but might be misremembering. There was an iPhone iteration that had a proprietary socket as well (or was it iPod? Not sure - they scrapped the decision after one generation). Taking them away completely isn't common yet but you're right, Apple wasn't the first to do so.
It always amused me that the first thing this brave new world of decentralised control recreated was....currency and commodity speculation. They're being introduced to the idea of support and resistance levels, all standard stuff. The difference with crypto is that the volatility resulting from these swings is enormous.
On the off chance you're serious - you're an idiot. It's working fine now, in much the same way the Ford Pinto was fine when parked on a drive. You are endangering yourself - fine, you get that right. But you are endangering others too - not fine, you do not get that right. Turn the damned thing in.
I'm certain it will. But meanwhile potential competitors are starting to make noises about how they are better, and news organisations are lapping them up as fact. They're not - this is just posturing as before. Literally nothing has happened yet - no company knows that it will. Plans should be considered for leaving the UK, plans should be considered for staying in the UK. That's pretty much it.
None of it has happened. None of what was predicted to happen has happened. The triggering of the article to leave hasn't happened. The negotiations haven't happened. The ratification of the negotiations haven't happened...
All these facilities exist on plenty of devices right now. The only draw of the official ones is precisely that - they're 'official'. If you don't care about that, you've already got a myriad of ways of emulating everything.
Games, or more accurately processes which are graphically demanding. I have a bootcamp'd iMac purely set up for games. I also run several different VMs for different actual work purposes, via VMware Fusion with macOS acting as host. The performance difference is still enough that it makes graphically intensive things worthwhile.