Really? What do you do?
When you make cards with the same size and they have content of different sizes it's much better to scale the content.
Keeping the same scale for all faces would look a lot worse. You have to make all faces really small in order to accommodate the largest face. If a bald guy and a guy with an Afro were same scale most cards would be almost empty. It's the same with document pictures, badges, products, etc. You can't keep the same card size and the same scale for the content. THAT would actually be unprofessional.
Either way it really doesn't have to do with pricing.
Triple A games launch at 70 USD and I would much rather get this so 45 sounds good to me. And if it turns out well, I'd gladly pay 70 to support them, regardless of what it cost them. If 45 doesn't reflect the quality they achieved, that's easily solvable, too. Don't buy it. Get the other game you mentioned and be happy. It really doesn't look better to me, though.