Lock SPL or LP token on Solana

Now anybody can lock SPL token or lock LP tokens on smithii tools.

Also apply a vesting period to an amount of your Solana token supply and set a receiver wallet.

The tool is Solana Token Vesting

What would you use it for? Is there a vesting strategy to improve a token project success?

Also, it is good choise to lock a LP token instead of burn it?