$8-10 a month would be awesome, and they would probably make a ton of money using that subscription model. It's short sighted that they don't do this.
And I don't care if N is 3 or if N is 36 or if N is 86400. I don't trust a single storage place for any data I care about. Having it only in their cloud is absolutely not an option, even if there weren't danger of them deliberately erasing it if I don't pay regularly.
If they had some $100/yr family maker plan, I'd be all about that. Same for any reasonable competition.