Regarding example #3 - looking at the houses that were there before it is quite sad to have all that green space removed:
https://www.google.ca/maps/@51.0316831,-114.0775322,3a,75y,341.68h,93.33t/data=!3m7!1e1!3m5!1sbzkf6jW08ZjRmHCKvCX6rw!2e0!5s20090701T000000!7i13312!8i6656?hl=en