No but Bitcoin might be. Using the metal analogy, ETH might be like silver.
Others can be considered to be like base metals. Iron Ore has value but you probably wouldn't use it as a SoV.
Obviously some are just worthless shit (metal colored plastic).
All those metals that you mentioned are all tradable commodities which is exactly what crypto as a collective asset is. BTC is really not much different. Everybody is promoting it because everybody has invested in it and has got so much stakes in it. If you truly value BTC for it being a store of value, why don't you go for gold outright instead? At least it will give you some privacy and anonymity which you can't even get with BTC anymore.
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