I suspect that a lot or all of those videos are about "extension spring" replace...

mhuffman on March 18, 2024 | parent | context | favorite | on: How I replaced deadly garage door torsion springs ...

I suspect that a lot or all of those videos are about "extension spring" replacements and not "torsion spring" replacements. Probably shouldn't do either, but the torsion ones can have instant and catastrophic failure modes during installation or removal.