Cook the quinoa as the label directs; set aside. Meanwhile, toss the tomatoes with the parsley, vinegar, 1/2 teaspoon salt and a few grinds of pepper. Set aside until juicy, about 20 minutes.
Meanwhile, cook the bacon in a large nonstick skillet over medium heat, stirring occasionally, until crisp, about 10 minutes; remove 2 teaspoons drippings and set aside. Add the broccoli to the bacon in the skillet and cook until crisp-tender, about 3 minutes. Stir in the corn and garlic and cook until the corn is tender, 2 minutes. Stir in the spinach in two batches and cook until just wilted. Stir the vegetable mixture and scallions into the quinoa; season with salt.
Wipe out the skillet and return to medium-high heat. Add the reserved bacon drippings. Crack the eggs into the skillet; season with salt and pepper and cook until the whites are set but the yolks are still runny, about 3 minutes. Divide the quinoa mixture among bowls. Top with the tomato mixture and fried eggs.