Oh my od, what a question. Both are opportunistic like every body in the political arena including Congress and BJP. The political parties as well their leaders have NO IDEOLOGY and just would do anything to get power and CBI out of their personal life. That is modern truth in modern and indepenant India. This is well known to all stake holders in the Indian polity.
Mullayamji is always helpfully but it is better that mayawati indirectly gets together will help country for one year at least . As it is after election they have to seat with somebody .as no party will get majority and bjp is divided as many country people want modiji as pm but there are many other contender.
Massive princely mansion having been built by her during her hay days/regime the expenditure of which is under active scanner of investing agencies. Definitely, she has to look for supporting wings to unwind herself from the shackles. Smart, in any case, they are being seasoned politicians.