Microwaving avocados can indeed cause them to explode, and it is not recommended to do so. The high heat generated by microwaves can create steam within the avocado's flesh, which can build up pressure and ultimately cause it to burst or "explode." This can be messy and potentially dangerous, as the hot avocado pulp can spray out and cause burns.
If you want to heat an avocado, it is safer to do so using conventional cooking methods such as baking, grilling, or sautéing. Additionally, it's worth noting that avocados are often enjoyed raw or added to dishes without being cooked, as their creamy texture and flavor are highly valued in their natural state.