Don't get me wrong, I love my Hobie

PA 12, 2013.
I've tightened the rudder (thanks for the tip on the built-in turn for that), but I don't think it's just a rudder problem.

Saturday was really baffling to me. I could point the nose into the wind, straighten out the yak and rudder and slowly paddle to stay close to position. Soon as my hand left the rudder handle though, I could get maybe one good cast in and the yak would veer off in one direction or the other.
Then I tried stern into the wind.
Then I tried no rudder at all, bow and then stern.
Later, I gave up fighting and figured I'd just drift with the wind - done this many times in that behemoth _manufacturer-name-retracted_ tandem I have): point the nose toward the bank, turn sideways and just let the wind 'sail' the yak down the bank.
Impossible. One drift I'd spin right, the next I'd spin left. No discerning which way or when, it just goes. And the rudder position didn't seem to matter. I literally resorted to paddling upstream of where I wanted and just found a spot on the bank to be blasted into. I'd fish from there, then push off and peddle 50 yards downstream and repeat.

I posted when I first purchased the Hobie that it wasn't easier, it was just better - because I had the option of both peddle and paddle. While there is NO DOUBT the mirage drive has allowed me to cover a lot more water and fish longer, nothing beats a good old paddle and a solid tracking yak for staying on-point/making tight and controlled turns for fish. A turn in the Hobie requires much more forward progress than does a paddle. I can spin a 16' tandem yak with a paddle literally in place. To get the PA to turn in the direction I want from a standstill, I have to peddle and move at least 6-10 feet from where I'm at with the rudder cranked hard to port (or starboard) before it'll start turning. I know, I know - that's just part of the design and there's no way around it. Still aggravating when you're right there in the good spot, the wind blasts once and the bow starts to turn. Maddening.
On a near windless day without strong current? The Hobie wins EVERYTHING hands down. Add a little something moving though - whether wind or water - and it can get frustrating very quickly.

I don't know if it's the mirage hanging down in the water that gives it another axis point (or maybe the rudder in concert with it?) but there is just no doubt, in my experience on the water, you simply don't get solid, true tracking in the PA. It's a small price to pay - because everything else with the Hobie is just that much better - but a fact of life.
Maybe I'll just start anchoring.