Unit specific techs are an untapped treasure trove of gameplay value. I don't think we should get rid of the blacksmith techs of course, but I think unit specific techs could have more creativity in addition to rewarding focus on unit compositions.

I've asked @Vantha to look at that ticket. 

Yeah that scheme would be super nice. If it can be doable via mod I can certainly put specific techs together in com mod.

There's the idea of having unit-specific techs, but I think they should wait for: https://gitea.wildfiregames.com/0ad/0ad/issues/7666

Right after this, I'm imagining that Hamilcar says something like, "Use our ships to scout the coastline for a good harbor!" But your ships are attacked and sunk immediately by Iberian fire ships when your ships venture outside the landing zone, lol. 

Voice acting could be challenging.    

This would help with trailers  We only use the cinematic features for camera controlling purposes.