Not a single computer sold by Apple meets the minimum spec for a VR experience, nor the next crop of AAA games.
What does that mean to the creative that used to prefer Macs for their content creation?
What does that do to the brand long term?
As an aside, what do you mean by “calibrate a monitor”? ColorSync arrived in 1993.
1. Every Mac since the early 90s has had support for color management
2. Most people doing serious color work have to buy a more expensive, professional-quality display – as has long been the case on every platform. This was a staple of reviews for printing, photography, scientific/medical imaging, etc. publications, along with comparing color calibration devices, and a big reason why CRTs persisted longer those fields than the general market.
Heck, a decent HP DreamColor / EIZO / NEC display costs almost as much as the top of the line 15" MacBook Pro.