Having a Snoo doesn’t mean you never hold your child. Newborns provide many such opportunities. You don’t need to take them all. See the comment above about a newborn that needed this for 6 hours a night for months.
> Children not being physically held enough at young age has lifelong implications
Citation needed? This is the sort of thing that people use to argue against sleep training, too, but I don’t believe much evidence has been found for that.