It does add latency, you need 1-2ms to upscale the frame. However, if you are using a lower render resolution (instead of going up in resolution while rendering internally the same) then the latency will be lower because you have a higher frame rate
When you hit retirement, so will literally everyone else. You want to hire a nurse to wipe your ass because you can't, there's a 25 year waiting list because everyone is old.
Your one grandchild has 6 older people to take care of in addition to their one child (spouse exactly in the same position)
The usage of the phone's CPU is usually around 1w, but could jump to 5-6w when boosting to solve a nasty challenge. At 20s per challenge, that's 0.03 watt hours. You need to see a thousand of these challenges to use up 0.03 kwh
My last power bill was around 300 kwh or 10,000 more than what your phone would use on those thousand challenges. Or a million times more than what this 20s challenge would use.
People used to have 5+ kids and it was considered fine. It's a cultural thing.