DMCA applies to all ISPs in the US, Google will forward notices just like any other isp. In theory they could ban you per terms of service, in practice they probably won't bother.
A VPN is $5 a month, and you'll never have to worry about even getting the notices, but I'm sure you already knew that.
I guess I'd ask where the jellyfin shares are at?
I run my own and I'd love to share it with more people