Roshi always feels a bit papery if not done right, the 100k barrier is more the point that people start really stacking their position 1 units, so roshi will feel tanker against equal bp blitz setups, though the big way to limit the threat of blitz teams on roshi is having han as well, but thats 2 super rare pull with one being a treasure not part of the good draw rebates.

He more referring to the super rares of the treasures, i.e should he go for kcm/madara, roshi, han, ay 4th/ sasuke, tendo/hashirama, or ay the 3rd. Han and Roshi are decent budge super rares since getting both for a good water team is only 420 scroll, but kage and gnw have better rares at the cost of 1000 for the super rares.