Not sure exactly what this means, but seems to imply the worst. Think fucking carefully before going down this road Cleve, breaking savegames again will be a major issue, worse than telling <2.0.7 people to start again imo (as many of them seem to have already).
Cleve is a man on a mission: self-destruction.
To be honest, I thought not fixing those savegames was the worst he could do. But he came up with a worse option. Chances are, most people has already restarted 2 days later; deleting their progress again is going to break havoc.
Also, apparently Thals are not into exception handling. "are going to crash" is unacceptable. There you go, an easy way to differentiate the 1.2.0.7 file, it crashes the loader, handle it with the old code then.