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Yes. In addition, people should also accept that few cryptocurrency have different strength and weakness compared with Bitcoin. I use term "few" since most cryptocurrency is just copy-paste without bringing new strength or uniqueness.
You are right - it is a fact. Many altcoins do not bring anything new, most of them are almost the same. The actual use cases may be different, but on average it is the same. Bitcoin, altcoins and fiat will coexist, each with its own uses and advantages and disadvantages. I can't be a maximalist to one of them because so far I have all three for different needs.