Their first customers were microcomputer enthusiasts and both Steves were members of the Homebrew Computer club, and Woz built Apple I with continuous feedback

Their first customers were microcomputer enthusiasts and both Steves were members of the Homebrew Computer club, and Woz built Apple I with continuous feedback from the club meetings. I would argue that it's moving to the Apple II (were they suddenly lost this direct feedback because of the vast expansion of their customer base well beyond their reach.