Do You Really Have to Oxygenate the Water in Jolly Roger’s Lagoon?

I’ve played Banjo-Tooie countless times over the years.  And so it’s hard to make one of my favorite games of all time feel fresh.  Partly, this is because I tend to do the same thing every single time.  For example, I always head left upon entering Terrydactyland and climb the vine behind the waterfall.  This…