Oh no, I didn't mean at all to say it was unreasonable. I meant that the paragraph claims to know what the aim was when introducing the feature, so I wondered i

Oh no, I didn't mean at all to say it was unreasonable. I meant that the paragraph claims to know what the aim was when introducing the feature, so I wondered if they actually knew that, or just guessed that that was the aim (because it sounds reasonable that it was).