It has not been that many years yet. Habits die hard, but in time, perhaps that will change.
The Open University has given academically respectable accredited degrees to remote learners since 1969. Most of the UK university campuses and in-person courses have come into existence since that successful experiment with remote learning. It's almost like evidence of ability to autodidactically absorb a syllabus isn't actually the point for most employers...
15 years is barely 1 generation. Social institutions die slowly.