Whisker

Lick My Love Pump

And the ability to dissipate that heat apparently depends a lot on the orientation of the bulb (socket up or down), enclosures, etc., so you can end up replacing LED bulbs in certain fixtures more frequently than others.

As others have commented, blocking is the most likely reason. That said, responding to ping requests typically is deprioritized when the networked device is loaded heavily and requests get dropped.