I think the question is somhow incomplete here. Somehow it seems as if you think the MIL is creating all the problems for the angel DIL? :D Lets be realistic now ...
Couldnt it be so that the MIL wanna be nice with her DIL, but the DIL fed with negative thoughts from her society and family members (aunties I mean) just cant see anything positive coming from MIL and therefor translate everything into something negative?
The question could also be; If most MIL are the evil once, it means most girls must have seen how their mothers have been "tortured" by their MIL, so when they get married, why dont they try to make an effort, and try to creat a good relationship with their MIL?
Why be so one-sided :p ?
Nice perspective. :biggthumb