Earlier quoted context omitted.
Volume, I’m sure. They sell a large volume of a small number of SKUs so go for the minimum feature set that can get them out a couple of sigmas of the target market. Anything else is aftermarket (special case) or just “buy something else”. There are a few exceptions. I wonder how many Mac pros they really sell. I assume it’s really a “halo” product that sells more Mac studios and MacBook pros. Also the Mac in general…
Half of developers in North America, and especially those at top tier companies, use Macs. You can't buy that kind of top tech mindshare with marketing. Also now with the M-series CPUs, Macbooks aren't PC Clones anymore, they're back in the game of being an exclusive platform, which will get even more exclusive as they add other specialized chips. Their sales share of the market and as you mention, their profit share…
Apple at the moment doesn't have any marketshare in rugged, "out in the field" laptop computers. Obviously if any company can brute force an entry into any market it's Apple, but they would need significant investments into third parties that hold potential customers hostage to Windows, and Apple Just Does Not Do That unless the third party in question is a direct supplier of theirs.