Some cell plans have a charge for incoming texts, roughly like the cloud bill you’re talking about. And (as sibling comment points out) if you’ve got critical

Some cell plans have a charge for incoming texts, roughly like the cloud bill you’re talking about. And (as sibling comment points out) if you’ve got critical household infrastructure that needs gas/electric, you’re not always in control. An unexpected hard freeze could provide you with a big bill next month and you can’t fully control it. I agree with you that there’s definitely a difference of scale and asymmetry but the concept of unpredictable postpaid bills is not a new thing.