Bitcoin has a proven use case — storage of value. It is significant that most coins try to differ somehow from Bitcoin, so they offer less popular usage scenarios, including prediction markets, completely anonymous purchases or the addition of a decentralized name server.
Bitcoin is the leader in storing value among all altcoins, and for 8 years of its existence, it has not had a single failure. Bitcoin's security is much higher than that of Its younger counterparts
In addition, Bitcoin is much more affordable — more exchanges, more sellers, more SOFTWARE and more supported hardware. Bitcoin is much liquid in the volume considerably exceeding the volume of any alithina. Bitcoin has The largest ecosystem of developers with more SOFTWARE and implementations compared to altcoins. Bitcoin has more entrepreneurs investing their intelligence, desire and creativity in the development of The network.
By competing with Bitcoin, you compete not only with the largest user base, development team, and mining, but you also compete with The largest ecosystem of startups, open source projects, and entrepreneurs.