Uh Oh, It's Magic!: Will Power shares magic with us

Today's Video:

I believe I overcomplicated a part of the solve. Was there an easier path than what's shown in the video?

Regardless, I love some magic square puzzles!

Link to Play:

Uh Oh, It's Magic! by Will Power https://link.sudoku-sleuth.com/UhOhItsMagic

Rules:

Normal Sudoku rules apply.

LITTLE KILLER- Numbers outside the grid are the sum of the indicated diagonal.

MAGIC SQUARES- A magic square is a 3x3 square that all vertical, horizontal and major diagonals sum to the same number. The gray circles are the centers of three magic squares.