The Triforce being split into 3 parts is fucking stupid

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Was there any explanation in the Zelda games (Ive only played lttp and oot and mm) as to why this was needed? Wouldnt it have been better to just be one piece?

zelda franchise spoilers below:
Its not like link had to collect each piece as part of the gameplay, they all just appeared at the end and it was like hey beat the final boss you were gonna kill anyway and you get the all these pieces all at once

Now, the games themselves were amazing and still goated but this part was weird imo
"Every last inch of me's covered in hair!"