1, 2, 4 ) No
I'm not in favor of retroactively changing the terms of sale. I know Splinterlands has done this several times before. But if I had a chance to vote, I will vote against this type of behavior

3 )Yes
Buyers have the right to request a refund from DAO (not from the company that makes 0 profit in RW presale) if they are negatively affected by the website mistake.