Since "MTK Meta Utility" (specifically versions around v50-v60 by developers like MCT) is a command-line or simple GUI tool used for servicing MediaTek (MTK) devices, the specific "helpful feature" depends on what you are trying to achieve.
If your phone is stuck on the logo (Bootloop), this tool is a lifesaver, but you must choose the right option: mtk meta utility v51
It can reinstall or update device firmware to fix software-related issues or "unbrick" devices. Bootloader Unlocking: this tool is a lifesaver
: Allows access to devices even when standard protocols fail or reset. FRP & Screen Lock Removal mtk meta utility v51