Good. I still remember when Facebook export was some shitty useless html garbage file, that didn't even include post types, or names of other people, or sensible structure (just a soup of <br> tags), or entity IDs, and was basically useless for about anything.

These days exports are at least usable, so that you can hire a programmer to make something useful out of it, if you need.

I've already helped people make tools to create automated summaries for counting billable hours for language lessons taught over skype or messanger, which was only possible thanks to these exports finally being in some processable format, with enough metadata included.

It's not either or though. Services can export in both nice usable formats, and html garbage that is nice to look at but useless for anything else.

That's going to be the common case; without knowing the end-target application, most data formats we would pick at random are useless to non-programmers.

Even JSON is too complex for non-programmers.