A VPN encrypts traffic between your device and the VPN server, and any packet on that path includes your IP address. So anyone attempting to decrypt your VPN traffic can trivially distinguish your packets from other users of the VPN server.
I was recently at a party with a SNES connected to a noisy channel-3 RF modulator because the TV couldn’t switch to its composite input via the front panel buttons, and they didn’t have the remote. I wandered the house until I found a universal remote, then programmed AUX to match the TV and switched inputs. Just things you learn in the '90s.