Integration with DeFi protocols allows earning yield on USDT. Some wallets have built-in swap and lend features. This adds utility. I use wallets that connect easily to DeFi. For DeFi-integrated USDT wallets, see https://swapspace.co/blog/best-usdt-wallets which identifies wallets offering seamless access to lending and liquidity pools, maximizing the potential of idle stablecoins.
