Earlier quoted context omitted.
>If you don't follow what majority of the market do, it's much cheaper to just ignore that tiny customer segment which requires totally alien set of technologies iOS and Macs both use Metal. You can't refuse to support Metal without missing out on a very big slice of total gaming revenue.
On mobile devices - definitely On desktop - missing what, 2% or less? Checked Steam stats - yep, about 2%
Still the Mac marketshare is not that high (~15%?) but might start looking attractive to developers looking to “get in first” when hardware that can actually run games becomes available (cough).