And you forgot to add, the lack of API and support on a lot of products even on a fresh start-up. Check out for example, Google Data API 1.0 (GData 1.0) and GData 2.0 the newest. They have Python stuff for GData 1.0 (Google Data Python Library) using Python 2.5 in examples and zero libraries on Python in the GData 2.0 API. But even if they did build a library for Python 3.3, I would have to get DataNitro and a few others I love playing with to work on 3.
