Yeah it's not so much about cost in my eyes. The conferences I publish at are in the $500-$1000 range to attend once your paper gets accepted, not cheap but not too crazy, and grants take care of that cost anyways.
I was saying it'd be more of a curtousy for you to get permission before distributing.
Signal - I have it but I have very few friends that use it unfortunately
It's a shame they got rid of SMS support. That was basically my selling factor when trying to convince someone to install the app. Now, it's next to impossible to get someone to install it...
Allowing us to customize the comments more would be nice. Like I don't want the top level comment to collapse when clicked, just its replies. Also it would be nice if the left padding on the comments was reducible and the colour bar could be made thicker.
It's crazy how well made this app is, especially compared to any other Lemmy app.