Do promo cards break the balance? The community is arguing

Do promo cards break the balance? The community is arguing A Space Base promo card from GenCon is bringing up an old question again: Do promo cards ruin games, or is that exactly their purpose? The BGG community is split on this. The following quotes come from community discussions on BoardGameGeek. User ShakinBlake84 was recently at the US → Read more on brettspiel-news.de: https://www.brettspiel-news.de/index.php/de/magazin-fuer-brettspieler-start/15925-zerst-ren-promo-karten-das-gleichgewicht-die-community-streitet