The due diligence starts with research on the topic 1e100.net for example https://superuser.com/questions/75841/what-is-1e100-net-and-...
Unless you just mean that sending data over plain HTTP to these servers is in some sense a VPN tunnel because the resulting servers could forward it elsewhere?
Most HN comments about these topics are plain FUD, and despite mentioning a bunch of intricate networking tools, the commenter still fails to address reality.