Meanwhile back in reality....
https://youtu.be/T6MvwQWBMVg?t=476
Sure, no disorganised or casual group is going to achieve this, but then no disorganised or casual group is going to clear TOP regardless.
Trying to suggest that a group needs to be 'exceptionally skilled' or needs 'perfect flawless play' is a flat out lie, either to yourself or to us (don't care which). There are a wealth of errors and mistakes including wasted and missed mitigation and healing abilities from the group. Yet they still made it through.
Please forward my criticism onto your Uncle Yoshida when you get a chance Mr self appointed community, developer and balance team rep. Thanks.