And that really is the crux of the problem. Most games have skills that get better as you power up. So the bronze skill would be the worst, then the silver, then gold, then platinum would be the best. This makes it so people actually want to level to get the best skills possible.
In Hero Hunters it is a totally mixed bag. The first two skills are ones you have to activate, while the rest are passive. Sometimes the Platinum skill is the best (Ifrit), sometimes the bronze and silver (Dog). If HH made it so all skills were really good, you wouldn’t see this BS min/maxing anymore because people who go 10* Panzer would be at a huge disadvantage when they are missing 3 really good skills. Instead, as it is now, they are only really missing one good skill and the lower power levels more than makes up for it.