💯 Agree, he can't give name to his and mini relation so he used dost, he is clearing using Bondita, he did favour on her to save her from sati and now Bondita is giving him back. So it's equally now, Anirudh doesn't deserve the status of God because he is not. Now , it doesn't matter if he accept bon after knowing Mini's reality because it looks like he has no mini to chalo bon se kaam chala lo. Might be makers could be successful to manage some people happy with that dost word. But i am not happy at all. Because i really loved the character ARC.
He is doing it to rationalise his behaviour. He did two things;
1. Bondita meri patni nahi hai
2. DOST
He thinks both these will justify his behaviour, he is doing that to keep flirting with Saudamini and making sure she doesn't move on (which is eww btw). I don't even blame Mini now. Aniruddh isn't God. He had done a Godly work by saving her but if he had to do such stuff after saving her I don't get the point. If he doesn't move on from Mini before she gets exposed, I will be so disappointed otherwise it will be as you said.
Some people just go into defending mode hearing that word DOST. But what's underlying is what matters to me. He surely didn't mean it and used to to justify his behaviour. And you know why, everyone keeps saying Bondita is so lucky or something even if Aniruddh does all this? Because of the conditioning we are in, that if a lady gets something amazing, its a huge favour done upon her. This is a thought we all have in our mind, we don't realize but there is this.