I really like the new apps and search interface, but the use of red is really bugging me. Surely this is basic UI that urgent things are made red like alerts et

I really like the new apps and search interface, but the use of red is really bugging me. Surely this is basic UI that urgent things are made red like alerts etc. I fail to see why the 'compose mail' and 'create' calendar event buttons need to be a glaring red?