IIRC the whole point of the 458/5 project was to create more capacity overall. A five car 458 with 2+2 seating has about the same number of seats as the original four car, but much more standing space and room around the doors to minimise dwell times.
Beggars belief they could be coming back as 4 cars with all that good work undone! Or even worse, simply smartened up for their final trip to Newport.
I do Ascot - Waterloo maybe once a week in the peaks, usually on Tues. Certainly getting busier.
Pre-Covid 6 trains in the busiest hour, 4 ex Reading and 2 ex Farnham. Now only the 4 (2 RDG, 2 FNH) and increasingly short-formed or cancelled altogether.
Someone needs to sort the 701 fiasco. Now.