That's what I'm saying. If you have a long-track heading towards you and you have both the time and a clear path out of harm's way, you should definitely take it if you know what you're doing.
I remember reading the 1974 superoutbreak transcripts and read about the Guin tornado which tracked all the way to HSV where it hit the airport. The transcript from BMX reads something like HSV WFO ABANDONED or something like that when BMX took operational control for the HSV CWA. It is stupid to just sit there if you can clearly get out.
If I had been in Tuscaloosa today, there's probably not much I could have done since it's formation was so close, but if I'd been in Birmingham and I had a clear path out (checking traffic cams), I'm definately leaving. If worse comes to worse and I get unexpectedly stuck, I would leave myself enough time to be able to pick a building to shelter in and I guarantee the building I pick is going to be better than the wood-frame house I just left.