Trademarks serve the same purpose for free goods and services as they do for paid ones. It's just that giving things away for free is rare.
If setting your usage price to $0 means no trademark, that's a pretty big attack on non-commercial services. Alternatively if it's more about tracking, that's also quite bad in a different way.
If setting your usage price to $0 means no trademark, that's a pretty big attack on non-commercial services. Alternatively if it's more about tracking, that's also quite bad in a different way.