[tcbawo]

> This caused an explosion of computer variety in a few short years for a single platform.

The impact of this point can not be overstated. 99% of businesses make a much larger investment in software (and people!) than hardware. The idea that compatible hardware systems existed was a great hedge on their investment in software and training. For most businesses, this would be a no-brainer!

Over a short time, other propietary/non-compatible systems were relegated to home use, education, and gaming.