[verdverm]

They can, but the issue is how much effort does that require for a random dev in the org to go through to try out a project?

It's not a technical blocker, it's a psychological blocker

[lukaszwojtow]

I get it. If there are alternatives that overall would be better (including their technical merits and how easy it is to introduce them to a commercial company) then use them. No one is forced to buy dual-license.