What an astonishing collection of posts.
V1 has nothing to do with sops.
V1 is a cetification requirement.
All public transport aircraft will be able to demonstrate performance in accordance with certification requirements, regardless of age.
Older aircraft do not perform as well but that is taken into account.
A certification module should be part of the professional licence and would help pilots understand background.
No failure i have ever had has been fully covered by check lists and sops, experience and common sense are essential components in arriving at the correct decision.
All crew members must be involved (if Possible)