Crypto ULT damages teammates but Caustic ULT doesn't: Explain?

@Ingeniekey It doesn’t physically damage teammates shields, many ults affect teammates by slowing them down like gibralters, bangalores, crytos, and I think maybe even horizons it just used to be frustrating to be blinded, slowed, and stuff whenever your teammates gas was going off all around you and it was a decent Quality of a Life buff for Caustic

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It really makes no sense why your own EMP affects allies and yourself. I can't understand why they don't finally change that. The EMP even destroys the walls of Ally Rampart, at least the upper part

@OkulteKeule97 So does litterally every other damage dealing ult in this game, not only Crypto's