Absolutely, and Cook-era Macs remind me of that frequently.

For example, my last Mac was a Cook-era machine with two third-party displays. Its normal boot process is a visual atrocity: the screens repeatedly blank off and on, the progress bar jumps arbitrarily to new positions and dimensions on the screen, the log-in window animation has drawing quirks...

...when I watch this orgy of complacent design, I often dream of what would happen had the Apple DRI presented it to Steve Jobs.