Hello Scott and welcome to the nut hou....um...to the forum!
Not to fret. I think it's safe to say that we all use pretty much every means necessary when it comes to painting and anything to do with the hobby in general. I was just about to post a question about airbrushing Floquil paints but your post caught my eye. I recently completed a 1/72 UH-60B Seahawk for a client and I was hemming and hawing over how I should airbrush it. But then it just dawned on me "Why can't I just brush paint it??" So I did and I was just in love with the outcome. In fact, it was with deep regret that I had to give the model away after I was done.
Of course I think lots of people here will tell you to think your paint a little bit before brushing it on. It doesn't need to be much. I achieved great results by adding perhaps about 15% thinner (give or take) to my paint befoer applying it. Work with a soft brush and you'll have one sharp looking kit.
So I guess the short answer to your question is yes, I think we all still do brush paint when the opportunity presents itself. I know I do. Besides, a brush is so much easier to clean than an airbrush.
Eric