There are lots of topic in this forum and post on Twitter is to why they didn't do task?
This is my 2 cents about this from what I am watching. They both know most housemates are against them and will cause problems. They are trying to stay away from unnecessary fights. In tonight late masala Rubina told Manu about Nikki causing problems to get footage. Abhinav also said same thing to Kash that they don't want to give footage to people who causes unnecessary problems. This is their game why is it a problem? What I have noticed about them is that they don't put energy in lost battle.