Gates's view was also that, once the market had sorted the good from the bad, Microsoft would, if desired, just implement whatever killer apps third party developers had discovered and make them part of Windows, cutting the floor out from under the third party developers. In other words, Gates viewed third party developers as doing market research for Microsoft that Microsoft didn't have to pay for.
> ultimately I think Jobs was correct that the mere existence of low-quality software hurts your entire platform
Windows is still well ahead of both macOS and iOS in terms of market share, so I think it's more that Jobs and Gates had different definitions of success.