Another note about me doing Getting Started docs. I'm advocating that complete newbies start with debugtoolbar. If I'm preaching pyramid_jinja2 and its starter template, it would be better if that starter template made pyramid_debugtoolbar a dependency and put it in development.ini pyramid includes.
Similarly, some other nice-to-haves in the scaffold:
Agreed, scaffold needs an overhaul
I hope it helped :)