What about someone who has binance wallet and trust wallet is there still need for hardware wallet?
Binance is an exchange, so the wallet in Binance is a custodial wallet, and in such wallets you are not in control of the funds because the exchange or service has the keys, as for trust wallet, it is closed source. So yes, it is advisable to get an open source hardware wallet and move your coins out of Binance and trust wallet into your hardware wallet.