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So one might say early backplates evolved into full-featured modern BCs, and now there's a movement by rec divers to come full-circle back to simple backplates. Are such rec divers analogous to the urban hipsters who now ride fixed-gear bicycles ("fixies") for the sake of "simplicity," fewer failure points, and to be part of some sort of subculture or movement? The freewheel and switchable gears were pretty good inventions.
Yeah, something like that.... now there's a movement by rec divers to come full-circle back to simple backplates. Are such rec divers analogous to the urban hipsters who now ride fixed-gear bicycles ("fixies") for the sake of "simplicity," fewer failure points, and to be part of some sort of subculture or movement?
So one might say early backplates evolved into full-featured modern BCs, and now there's a movement by rec divers to come full-circle back to simple backplates. Are such rec divers analogous to the urban hipsters who now ride fixed-gear bicycles ("fixies") for the sake of "simplicity," fewer failure points, and to be part of some sort of subculture or movement? The freewheel and switchable gears were pretty good inventions.
Dunno about hipsters, but your analogy doesn't hold.
Bikes with gears are a technological advance that let you do something that fixies don't. Totally different with BCs. There is nothing that you can do with a jacket BC that you can't do with a BP/W. Just the reverse - you can dive a BP/W in environments appropriate for any jacket BC, but you can also adapt them to diving that would not be appropriate for a jacket (like using double tanks).
I thought the OP was questioning the extent of the benefits of a BP/W over a jacket BC for recreational single-tank diving only. You CAN dive a BP/W in environments where a jacket BC has long been the most popular type, but are there significant benefits over a jacket BC for that?
The fixie-bike analogy is admittedly weak, but it was an interesting thought. Padding, adjustments, quick releases, wraparound bladders, etc., could be argued to be improvements for recreational diving over bare-bones plates from the '50s and '60s. Now some rec divers are beginning to believe that while these features may have some utility they are largely unnecessary and maybe, dare I say, uncool. It does bring to mind the people who are ditching bikes with selectable gears and freewheels in favor of fixie bikes.