Overwatered - Should i start over?

Anything in veg is always recoverable, this doesn't look severe, I have seen and recovered much worse. When I see yellow leaves like this at the bottom, I think nitrogen deficiency. You mentioned the soil aeration, that could also cause symptoms like this. I wish you well!

Hello. I would like to suggest you make the soil more aerobic. Please google Hydrogen Peroxide for plants and mix some with your water. Chuck.

I would start by removing the lower leaves that look yellow... The visible nitrogen deficiency could be due to a blockage or simply a lack of nutrients... Personally, I would do a root wash before fertilizing again and add some calcium and magnesium via foliar spray. I wouldn't throw them away or start over; they are recoverable. You'll save time if you recover them since it will only take a couple of weeks, plus you'll have plants with a thicker stem.

I would not. They look very hungry. Try to nurse them back.