The least reliable part of any ICE car is its engine. A ton of moving parts, difficult thermals, lots of finicky electronics subject to vibration, pumps, fluids, oils, fuel system, you name it. Then theres also the transmission. None of that is even in the picture in an EV.

Yeah but that tend to not fail randomly too often. You do need to maintain and change them but that is largely dependent on use and something you do on schedule.

I have a lot of problems on a motorcycle right now that are entirely related to the engine, I wish it would be electric but they are still too expensive for the capabilities…

And in those areas, they use standard parts of established manufacturers.