You mean it costs more and isn’t stable? They’re spending tons of money on software which never ships?

This is a niche feature which a very small percentage of users use even now: AAA gamers usually don’t buy Macs and most of the Windows-only software which people have doesn’t run on ARM anyway — and given how good cloud services are now you’d have to ask how many sales are going to be lost by someone who needs bare-metal Windows or Linux but won’t buy a PC.