CW, I let my children decide for themselves about whether they wanted to meet ow or not. My D17 refuses to, my D11 hasn't yet, but may in time. I feel they are old enough to make their OWN decision about it. It's not like they're small children and don't have minds of their own.
My S26 and DIL have met her. My S23 hasn't spoken a word to his dad since he left. This pains me, but again it's his decision.
The consequences for my H's choices are something that he will have to live with.
This is how I've handled it with the kids. Hugs as it's a hard one to deal with.