Each iteration of the KR games has shifted the balance from tower defense to hero micro. The original KR was about tower selection, the hero was support. By frontiers, they were at least equal in importance and the hero was more important in some cases like veteran heroic and iron challenges. By origins, the hero was more important. I remember things like the airplane guy soloing early waves with just his attack, or basing entire level strategies on specific hero spells, then having to memorize exactly when to cast that spell on certain waves.
What made this all worse was that the later games were for mobile. Micro is questionable as is for tower defense but it's even worse when you have to tap with your thumbs. Not only is it tedious, it's hard to aim your thumb taps on a small touch screen. The steam versions make the micro more manageable with a keyboard and mouse but at the end of the day, why micro that much to begin with when the game is tower defense?
I understand that some players may like a more hero micro oriented game. I further understand that developers have to eat and that hero purchases are a great way to earn income. Most importantly, I understand that it's their game and that they have every right to take it in whatever direction they see fit. The purpose of my thread isn't to make demands. The purpose is simply to voice how I see it, one opinion among many. My hope is that if enough fans see things the same way, the developers take it into consideration.