That's how network is all about, from a very low value network it only requires a low gas fee transactions as it's value is only low yet, but when time comes it becomes valuable in the market for it's supply and demand and it's price continuously getting very high, then expect for it to have as well a very high gas fee for it's transactions. Even the Binance Smart Chain when it gets valuable in crypto market, it also require the high gas fee in the future for sure.