This hasn't been true for 5 or 6 years and there is very little reason to buy one over a second hand 1L PC these days. They are expensive and notorious for screwing SD cards.
To put it into perspective, an 8GB raspberry pi with a 32GB SD card and cable but no monitor, no keyboard, no mouse is 251GBP. 35% the price of a macbook neo.
You're also implying that Kiwi Electronics sell an 8GB raspberry pi 5 with SD card, housing, cable, power supply and fan for 5 euros less than they sell an 8GB raspberry pi 5 without any of those things: https://www.kiwi-electronics.com/en/raspberry-pi-5-computers...
> Total 205 GBP, which is 70.7% cheaper than a MacBook Neo. Quite a discount!
With 85% less storage, and nowhere near as powerful. The idea that a raspberry pi is worth a third a macbook, do you really believe that?
The raspberry pi's day as cheap hobbyist computing has long gone.