Read the article where removing valor points was discussed:
- - - Updated - - -“We think we can take the bonus rolls system and make it a little bit more intelligent, so that it tries to avoid giving you duplicate loots - and allow that to be the way players counteract bad RNG,” explained Hazzikostas.
You must have glossed over this in the 5.3 patch notes:
Protection for bad luck streaks have been added to bonus rolls. Each bonus roll that does not provide loot has a progressively better chance to award loot to the player.