At 24 MHz, the STM8 core can handle typical sensor polling, PID loops, and communication protocol stacks without breaking a sweat. The 32 KB Flash is a practical size for a bootloader plus application code in motor control, HVAC, or power-tool firmware.
25 I/O in a 32-LQFP — footprint and routing
The 32-LQFP package gives you 25 general-purpose I/O pins, which is a high utilization rate for a 32-pin package. That leaves seven pins for power, ground, and the ADC reference. The LQFP footprint is straightforward for hand-assembly or reflow, and the 0.8 mm pitch is forgiving for a standard PCB process. Surface-mount only, so plan for a reflow profile or hot-air rework station.
For a production BOM, that removes the sourcing risk of a disappearing part.