I'd rather be able to access it without google or microsoft sticking their nose in.
I'd rather be able to combine it with my other data in whatever ways I see fit.
I'd rather be able to back it up in whatever way I see fit.
I'd rather be able to open it on a device that doesn't have a backdoor provided by the US government.
Because it's not microsoft'sor qualcomm's data, it's mine.