It's not your power. The circuitry just isn't built to last, intentionally. :(
For example, Philips made LED bulbs sold in Dubai [0] that last many times longer than the ones in the US.
[0] https://hackaday.com/2021/01/17/leds-from-dubai-the-royal-li...
If your power was the issue, it would probably have to be so bad that you'd regularly kill all kinds of equipment...