For all we know using SHA-1 where collisions are not an issue is a good idea. This sort of question has already came up for MD5 used where collisions were not a

For all we know using SHA-1 where collisions are not an issue is a good idea. This sort of question has already came up for MD5 used where collisions were not an issue. Everyone spent a lot of time, money and compatibility moving away from MD5. We were told to move to SHA-1 which is now broken in the same way. It was pointless effort caused by pointless hysteria. Now we have pointless SHA-1 hysteria...