Why is MetaMask fee so high?

I'm curious, could you elaborate on why the MetaMask fee seems to be on the higher side? I've noticed that when compared to other wallets, the transaction costs seem to be significantly steeper. Is there a specific reason behind this, perhaps related to the security features or the decentralized nature of the platform? Understanding the rationale behind the fee structure would definitely help in making more informed decisions about using MetaMask.