Refine your accuracy. Also if the game is dirty it slows things down. The flippers could need a rebuild too or at the least coil sleeves replaced.

If the game is clean and waxed and flippers working properly, all shots should be easy from a trap.

Yeh, not sure what to tell you other than checking to make sure the flippers are fully powered and the game is pitched correctly. On mine, every shot (other than the kicker from a backhand) is easily makeable from both flippers.

Yes. This. Relatively speaking, that ramp is one of the widest in recent pinball, and this one shouldn't be a problem to have a high % of successful shots from a cradle.

On that particular ramp shot (and also many/most orbits), if you've got a consistent speed for the ramp return feed to the right flipper, the shot is actually EASIER to make on the fly. Any shot that has a long metal guide on one side of it that helps shots make it to the desired outcome become easier when shot from a wider angle -- and you always have to shoot EARLIER on the flipper from an inlane roller shot vs a cradled shot to account for the additional horizontal motion already on the ball from its roll.

If you measure the total angle (degrees) available from a spot earlier on the flipper vs later on the flipper, you'll see that you have a wider, more forgiving angle from the earlier on-the-fly position of the flipper.

I also use this same principle to improve my chances of making a Quorra shot on Tron by first hitting the L ramp, and then shooting Quorra on the fly. Particularly if the Zeus standup target between the L ramp and Quorra is hanging into the Quorra shot.

Does this makes sense?

Definitely don't make a habit out of that. That's a bad habit trying to make a ricochet shot, especially from a kicker and especially on GOT's tight lower playfield that loves to punish you for missed shots off of those stand-up targets of death.