How old is your Mac Lars?
Next time I reformat my Mac I think I am going to do some screen-recordings to get an example of the difference in start-up times.
Please share your findings when you do 
You really should look into getting LittleSnitch - I hate the idea of programs wanting to connect to the internet, who knows what they’re sending back.
Really? Not noticed how long it takes for apps to start? That’s probably the biggest difference I’ve noticed myself.