End of 2024 was great for Bitcoin because BTC was hit all time high 1,00000$, but you can't say that 2024 was amazing year for altcoins, even after such BTC improved but there are no significant growth in altcoins price if comparing Bitcoin price. Bitcoin still very expensive but altcoins are dumping.
Well, you are right about Bitcoin but for altcoin, it's painful that they are being called together which is not fair for many of them. Can we call it fair for SOL, BNB, RAY, BGB, XRP, TRX and many more? Some of these altcoins even delivered far more than Bitcoin, and as I write, a few of them are still holding above their post-2021 ATH. Regardless, I hope we are carefully studying the best coins for future plans (BTC and others), after all, it's all about the money, so it mustn't be BTC alone.
You are right particularly for SOL, which I was aware of, sometimes in June or July last year, Solana hit it's all time high of 293 dollars which was a significant growth from its previous years. Although it later dropped off the cliff to 169 dollars today, some experts are still very confident with its growth and predicts that it will still rise to above 500 dollars before the ending of this year.
The Solana coin amongst others you mentioned are all altcoins since they are alternative to bitcoin and in all honesty do not stand the market strength and maturity of Bitcoin, but they can also be regarded as strong altcoins in the market who also influence other smaller coins and memecoins within the crypto space. We just need to identify with them more and to build a robust initiatives and systems that can make these coins more stable and strong enough.