I use framework parent themes (e.g. Thematic) mainly because it ensures that my custom themes inherit cutting-edge and standard compliant code.
Why I'm not yet using starter themes:
I'm reluctant to use starter themes (e.g. _s, Bones etc.) because, as I understand it, I'll need to screen for code changes with every version update and then manually apply them to my custom theme. I'd rather
Is my understanding of the process of updating starter themes correct and if so, is it not less work to simply reverse engineer a parent theme once and have automated version updates rather than repeatedly manually (and perhaps tediously) having to update my custom starter theme?