I actually do use the Power Level buttons quite often, 7 included. Rice is done in a covered dish, 22 minutes at power level 4, then a 10-minute rest. Turns out perfect every time.
I work 100% remote - We don't have to be on camera...but out of the blue some ding dong turned it on recently so everyone turned it on. Thank goodness I had at least brushed my hair and had a t-shirt on instead of jammies!!