I do agree, most of the time I find people arguing about theoretical issues - once we get something built it is so much easier to improve it because it is so mu

I do agree, most of the time I find people arguing about theoretical issues - once we get something built it is so much easier to improve it because it is so much easier to point and describe what needs to be changed or removed. Discussion on something that is actually done is much easier than the discussion about the theoretical issues.