I don't think it's an issue of economics or access. Plenty of the most impressive demos for a given platform were made long after it became obsolete.
If you were a game or demo developer, why would you choose a Mac?
No standard low-res graphics mode means rendering to a Post-it note sized window.
The video hardware is dumb as a post, lacking even VGA-style 2D scrolling.
If Apple were remotely serious about gaming, they could have provided a pixel-doubled 320x240 mode at little cost.
What makes demos interesting is combining the capabilities of the hardware in unconventional ways. There's no Mac demoscene because there's nothing interesting about the hardware.
If you were a game or demo developer, why would you choose a Mac?
No standard low-res graphics mode means rendering to a Post-it note sized window.
The video hardware is dumb as a post, lacking even VGA-style 2D scrolling.
If Apple were remotely serious about gaming, they could have provided a pixel-doubled 320x240 mode at little cost.
What makes demos interesting is combining the capabilities of the hardware in unconventional ways. There's no Mac demoscene because there's nothing interesting about the hardware.