Over the years host's stature overpowered the show & the tone got aligned with his personality, there is no denying every season certain HMs are mocked discriminated muddled through their BB house journey, especially after WKW the narrative arms the favoured with ammunition against the targeted.
One,all the participants are celebs in their own fields they don't need to be schooled in degrading,disparaging tone,they need direction & discussion over weekly developments to understand where they might have erred or confused audience/ HMs with their choice, two, continously selectively picking HMs & warping their run in humiliating accent doesn't come across as fair,audience is smart enough to judge the points that need to be addressed yet some are freely ignored .