I prefer the thick handled gaffs. They can just take more abuse.
We have one 7ft and the rest are 4ft.
We only need one long one and the next gaff goes in boat side as the fish is pulled in.
We also only gaff on an inward swim, never an away swim so perhaps that's why we not so keen on the longer gaffs.
Normally on most fish we gaff once and go straight to the t-bar with hook ie meet hook.
Lanyards and gaffs, meet hooks are fine as long as you NEVER put your hand through it and use the rope as a handle. Locking that thing around your wrist is like playing Russian Roulette. The rope is nice as you can hold the hook on the rope and lean back without having the rigidity of a gaff.
Tried one of those fancy expensive aluminum jobbies. One trip and ended up in pieces as a big fish just bent it while pulling over the gunnel.