Also in the pipeline: elimination of jury trials https://www.bbc.com/news/articles/cm2x01yne13o
It's simply a fact that common law jury trials are time-consuming and expensive and cause long delays and bottlenecks in the justice system. Different common-law countries have addressed this issue in various ways. Restricting jury trials for more serious offenses (in this case for more serious charges - ones that could potentially result in a sentence of more than 3 years) is one way than many common law jurisdictio…
The person floating this idea (of removing jury trials) would gain the power to imprison people simply for criticizing the government (and anything he didn't like really). But sure, plea bargaining isn't a perfect idea so whatever the British government does is fine.
PS A few more sacred cows while I'm at it (just for fun): - The stereotypical British accent was formed after the US Revolution, before that Brits sounded like Americans (and visa versa) - Richard the Lionheart didn't speak English but instead spoke French - Churchill was lousy at military strategy and opposed the Normandy landings