I can almost guarantee that this is being proposed because it performed well among a certain demographic during some focus group. So it’s a way to get a few cheap votes from the “back in my day…” crowd. It has the additional benefit of appearing like the government are doing something, while they somehow still continue to not tackle the other ongoing crises (among other things - energy prices and the recent mini-budget which cost the Chancellor of the Exchequer his job)
The metric system is too "European", and more specifically French for post-Brexit Britain. We need a patriotic system of measurement, not some foreign idea designed to take away our sovereignty.
India wants to know if they should ask Pakistan to get the band back together. Also, returning to fractional sovereigns, pounds, crowns, guineas, florins, shillings, pennies, and farthings would be extremely simple.
(It's the sad and cynical exploitation of tribal, nativist nationalism containing aggressive, neofascist, pining-for-the-past-more-than-usual, and anti-intellectual sentiments.)