And due to popularity of ESP in hobby circles, there are many good open-source firmwares for those devices, such as ESPurna with its very impressive feature set: https://github.com/xoseperez/espurna

The final product is better than almost any "professional" IoT device. I'd rather risk with higher odds of system failures (the Atom bug showed that not even Intel is safe) than suffer daily with slow, buggy, expensive, restricted and privacy-hostile cloud-connected trash from the likes of Logitech.