The issue that is so often missed is that it wasn't the fact that IE was bundled as the default or that it had the largest market share. Very simply, the issue

The issue that is so often missed is that it wasn't the fact that IE was bundled as the default or that it had the largest market share. Very simply, the issue was how that market share was attained. Microsoft threatend to withdraw OEMs Windows licenses if the OEM bundled a competing browser, thus levereaging their near desktop OS monopoly to dominate web browsers.