Looking at your stats your game is progressively getting better. Your scores are consistent. I see two issues:
1. Every time you play a course in Stroke Play the course conditions are slightly different. Knowing the course helps immensely. This allows you to shape your shots and adjust for wind. Knowing how your ball reacts in the wind, how the wind effects the trajectory and roll of the ball, as well as knowing your clubs helps along the way. On St A, with the starter balls, the wind will push your ball when putting.
2. At a minimum you need to upgrade your clubs and/or balls. Start with better ball that gives you more control i.e. shot-shaping ability. Then a driver, putter, irons, etcetera.
It's not WGT even though you blame the game. It's the player. This is one game where practice and course knowledge are a huge benefit.
Best of luck!
-Steel