While you are 100% correct, for the sake of completeness....
1: they CAN'T remove the normal-space speed cap. It's as high as it can get right now without the sheer speed of our ships causing massive rubber-banding and lag issues to the point where real-time targeting and shooting would be next to impossible.
2: Correct but in fairness I should point out that my 'condas max forward speed with 4 pips to ENG is about 210, boosting to close to 280. Using reverse thrusters to fly backward I won't get much above 150 but with FA-off maintaining my normal max forward speed while pointing in any direction is possible so they are potentially chasing a target flying away from them at 210. It changes nothing about the sense of your argument, of course, only the raw numbers involved.
The bottom line to this entire thread, though, is this.
Every matchup between any two ships presents each pilot with an "optimum engagement range" where the geometry of the engagement favors his ship over the other. In general, in an engagement between a small ship and a larger one the small ship is favored by short ranges where their speed and agility will come more powerfully into play while the larger ship will necessarily prefer longer ranges where their greater standoff firepower becomes truly effective and even their relatively slow turn rate is sufficient to match the angles even a fast small ship can cover at extended ranges, effectively reducing if not totally negating the smaller ships speed and agility advantage.
Ultimately, if you let the other guy dictate the range of the engagement and keep it in HIS optimal ranges, maximizing his ships advantages and minimizing yours, then big ship, small ship red ship blue ship.. win or lose you're gonna take a beating.