This is an absolutely massive loss for me. I had no idea it wasn't backing up my OneDrive files. A horrible way to find out and a massive loss of trust.
This figure in the UK is unsourced and I'm fairly sure is not true (or at least not what you've labelled it), and has been quoted out of context by people trying to stir trouble not reasoned debate. I'll assume good faith here and say the start of the video lays out why the figure is not what you've labelled it to be
As always this is grossly oversimplifying. As well as the misleading safety stats, as graemep has noted, it ignores that journeys just absolutely exploded under privatisation [https://en.wikipedia.org/wiki/Privatisation_of_British_Rail]