I would give benefit of doubt to AVM this time.
I think we should be able to think and understand from his POV also.
First he went to Ishqi and confronted that he would do anything for her safety, understood her POV very clearly but asked her to do one harmless ritual for the sake of his Dadi nothing else, he didn't demean her or blamed her for Kundli stuff or anything. He accepted how stupid it was to marry a tree but Ishqi went angrily from there too.
Again after some time he came to her room and said 'Ye bhi sath milke handle krenge'. For me this guy is putting efforts, but what was subjected in front of his eyes could shock anyone in the first go. But he didn't react , didn't say a word against Ishqi, kept his thought process on and told everyone that he Trusted her while everybody was asking him to marry Rhea he was doubtful, when Rhea told him Singapore lie he was doubtful but his doubt had no proofs and it got cleared when Kartik called up.
He was a little lost that's all, he couldn't think rationale and did jasoosi like KM because AVM had a different state of mind.
So let's give it to AVM this time..he stood for her, took care for her..and is putting his efforts to be a great husband👍🏼
Even Ishqi said AVM ne hmesha mera dia hai is bar meri baari hai😭 maaf krdo bechare ko behen.