No VPN can reliably anonymize you against government agents so I think the con is a non-issue. VPNs are only really useful when the local network is hostile and/or you want some degree of privacy from the sites you visit.
Anyone with sigint capability is going to figure out who you are with a VPN. (i.e. Government agents)
Anyone with sigint capability is going to figure out who you are with a VPN. (i.e. Government agents)