I realise this post has been marked as 'Solved' but I thought I'd add in a bit more detail after a wee bit of digging around the web.

To me, Sebastian42's issue was not the number of clicks needed to start the Snipping Tool but rather the fact that the Snipping Tool no longer started in 'Capture' mode automatically.

I eventually found this video on MSDN's Channel 9. At 13:50 they discuss the removal of this feature due to customer feedback.