Let the Train Take More Strain?

The UK's privatised rail system is currently very expensive, over-complicated and under-utilised. For internal travel, however, it generates much less climate changing 'greenhouse gas' (and microplastics?) emissions than transport by car, bus or plane. It's been suggested that giving folk the opportunity to purchase (at a reasonable price) unlimited rail travel cards would have multiple benefits (https://www.theguardian.com/uk-news/2024/sep/19/campaigners-call-for-unlimited-climate-card-uk-rail-pass). A similar, short duration scheme was trialled in Germany. In addition to reducing emissions from cars (many of which are damaging to human health), it had a marked beneficial effect on congestion in cities. Renationalising the UK rail system and offering unlimited travel rail cards seem like 'no-brainers'.