If you were supposed to use NTFS that's what the Media Creation tool would do. Instead it uses FAT32 and an image with superior compression (ESD). This is because FAT32 is the only required format for UEFI implementations to boot from.

Some advanced tools, and I'd recommend looking at Ventoy over Rufus, use an intermediate loader to mitigate that. Others just let you assume the board supports NTFS boot.