As long as generalists get out-performed by specialists, the T65 will struggle to be competitive.

I don't see this as the games problem... but a player issue.

It is easier to prepare and play a specialized list. Simple play lists with less options to consider are less likely to be victims of errors caused by mental fatigue. They are not, however, superior lists. More well rounded lists are harder for the opponent to read and the strategy going in can change mid game if need be. They take a lot more practice and you'll need to play the same list over and over and over again to be prepared for all different situations.

Depending on how much you value IA, the X-Wing is still between 0.2 and 1.2% worse at jousting than the B-Wing. And the B-Wing get's it's efficiency for free, and can increase it by taking FCS.

In the world of science and statistics, those differences are negligible.

Not in the slightest. Chemical experiments have to be tested to within 0.5% confidence limits. Statistics being 1% out can be very important.

This is not chemistry. Chemistry (and baking) are their own animal. Here we are dealing with a lot of variables and an ever changing sample size. in these conditions anything under 3% is within the margin of error, and anything under 1.5% is negligible.

"I often fall into the same boat. In friendly play, I'm flying the new shiny things. For tournaments, I generally only fly lists I have a lot of experience with. This means I'm flying X-wings often. I have 1 all X-wing list that has never lost in competitive play.

Many on this forum have been telling me a long time about how whatever ship isn't worth the points. If I'm at a tournament I'm flying one of two ships predominantly: X-wings and Starvipers. They fly just fine ;)"

Nice retort; can you share your fine X-wing list? I do love shaping lists with the classic ships.

I have a few lists and I mix the T-70s and 65s. My current favorite is:

Wedge Antilles (32)
BB-8 (2), Veteran Instincts (1), Integrated Astromech (0)

Poe Dameron (PS8 Version) (37)
R5-P9 (3), Veteran Instincts (1), Autothrusters (2)

Red Squadron Veteran (31)
R3-A2 (2), Predator (3), Integrated Astromech (0)

I've never lost with this list in competitive play. I plan on replacing PS 8 Poe with the PS 9 when it comes out and then down grading Red's Predator to a Wired.

If you want to go straight T-65, I've done very well with (and I've seen a few other members say the same) with Wes, Wedge, and Biggs.

I find the T-65 and the T-70 make each other better somehow. I've flown an all T-70 list (replacing Wedge) and it did not perform any where near as well as it does with Wedge.