Bitcoin is leading the way for other Alts to grow because as some people profit from their bitcoin holding some of it is pouring out into many Altcoins that offers many types of services like DeFi, staking, etc. among many others.
Thankfully the main crypto "BTC" has this feature of being scarce over time as the supply gets cut in half that is called "Halving" which is the main factor about its price appreciation.
Even though BTC seems to fail as a currency because it really cannot be used to buy stuffs from the store because of its slow speed it had become a thing or digital asset of store of value.
Let's not look into higher prices yet but BTC's price is on its way to reaching 100K in a few months and after that into a higher level. The bottom price of 3.5K last year is just because of the Pandemic news and if you can recall there are many negative news that went online and thus the price crash which eventually recovered.
In my opinion the holders of BTC wins no matter what happens even with a big dip because BTC's value will continue to skyrocket as mainstream and private financial entities and banks adopts it making some people benefits especially the early adopters of our favorite digital asset Bitcoin.
Disclaimer: Not a financial advice, do your own research.