Man, that is tough.
I don't think I could have a child with someone, living in fear that they'd take the child and have him circ'd.
Giving in is not an option, imo.
He should not be "leaning" back, just sitting so that his butt is a little lower than his knees. Also, the fabric should hit where his knees bend, not into his thighs.
I'd go with either a wrap and then wear a coat over it (just a size or two larger than you'd normally wear or a maternity jacket should be fine) or a fleece pouch. Just make sure to use a hat and mittens if needed.
I don't know about NY, but here in NM you have to get an exemption (philosophical or religious...same form) whether you exclude one vaccine or all of them. We have the option of submitting the vax record and the exemption or just the...
I feel like it's not that often that we get "happy endings" around here, so your update is awesome! Thank you for standing up for your baby. He'll be so happy you did.