Yes.
With the mission editor.you can do lots of things, and I mean a lot. Scripting gives you options to do things that in the ME does not exist, and after time saves you time because you just need to copy and paste... BUT. I DONT SEE HOW TO START SCRIPTIING IF YOU DONT LNOW WHAT YOU CAN SCRIPT. So first read the manual and do short missions, understand the trigger, the zones, the possibilities. Then you can mix all up with scripting