Their idea is being able to get answers to questions which were difficult to answer before[0]. Of course they want to get paid for it. The information wasn’t available easily and not always[1] freely.
[0] among other things…
[1] more like ‘often not at all’
> Of course they want to get paid for it.
So should the original authors, no? That is, getting a share of that payment.
Something akin to the German GEMA could work, an entity that levies a usage fee on behalf of all copyright holders and re-distributes to its members, but on a global scale.