Remember the time when we had demoes that we could test before commiting to a buy? We should come back to that. Arguably Steam’s return policy could be used as a demo although it only gives access to the beginning of the game and the plethora of cinematics and tutorials, and does not focus on a core part of the gameplay.
Defence is when you protect your country’s borders, not when you go around attacking other countries like they have been doing for the last decades. There’s a word for it: offense.