Voytrekk

I would say its still open source. There is no requirement to be able to contribute modifications back. It is more about the availability of the code and what you can do with it.

What would you use instead?

The person telling the story could always tell lies, which would mean his brother would only tell the truth.

I think the bubble is coming too. The question is how much it will take for normal users to be done with them. The current Lemmy user base is more focused on tech, open source, and/or privacy than the average Internet user, which is why we already abandoned Reddit.

I think having to pay for access to these sites might be the biggest issue, as many people see the Internet as something that should be free.

Looking into privacytests.org, the main developer behind it is someone who contributes to Brave source code. He may not be officially affiliated with the company, but it would be hard to ignore any sort of bias towards Brave.