Because now there is a large range of options.

Here's your $20 Pi (still supported and available to buy): https://shop.pimoroni.com/products/raspberry-pi-zero-2-w

Here's your $120 Pi (many times faster and with 32 x the RAM): https://shop.pimoroni.com/products/raspberry-pi-5

The choice is right there for you with many other options in between...