The other view of this is that it's the point at which OSS hit the mainstream and was adopted as part of the business model of major for profit corporations as

The other view of this is that it's the point at which OSS hit the mainstream and was adopted as part of the business model of major for profit corporations as part of their offerings. Realistically the world wasn't going to divide neatly into OSS and closed software, but merge as companies picked the best model for each sector, product and market.