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> That's like ten normal computers worth of power for the GPUs alone.

Maybe if your "computer" in question is a smartphone? Remember that the M3 Ultra is a 300w+ chip that won't beat one of those 3090s in compute or raster efficiency.

I wouldn't class the M3 Ultra as a "normal" computer either. That's a big-ass workstation. I was thinking along the lines of a typical Macbook or Mac Mini or Windows laptop, which are fine for 99% of anyone who isn't looking to play games or run gigantic AI models locally.

Those aren't "normal" computers, either. They're iPad chips running in the TDP envelope of a tablet, usually with iPad-level performance to match.

That's maybe a few dollars to tens of dollars in electricity per month depending on where in the US you live

the upfront cost

Did you even try to read and understand the parent comment? They said they regularly run out of quota on the exact subscription you're advising they subscribe to.

Pot, kettle