With a specific mix of spiteful grumpiness toward windows and a naive optimism, born of youth and abundant nerd resource at university.
That and a stoic acceptance that shit breaks, but it also broke on win 95, 98, XP and especially millennium edition. Which is the timeframe I switched in.
Going full time was fully enabled by reliable virtualization. When I could run a win XP VM and expect no issues in a work day, I was about to ditch windows as my main OS. Over time, I used fewer windows only applications, now I barely need the VM.