Because the BBC now has to justify its licence fee to the government, so they need engagement metrics and all the rest like what proportion of X demographic they're reaching.
Back in the day, both the BBC and universities were funded by the government without the stereotype of a fresh MBA graduate in charge. Back in the day before MOOCs, the BBC produced programmes for the Open University because that was the way to get video content out to the nation.
> puff pieces about the royals
have been on the front page of the tabloids since way before the internet.