All points below would make sense as an option in the option menu, if you don't want to change them completly.
1.) Don't show doctrine symbols above units anymore. Those doctrine symbols often block space for useful information, like stun/slow, squads in a truck, number of charges etc. .
2.) Unit hitboxes need to me clickable at any time, or at least make the healthbar clickable at any time. Often its hard to click a special unit when u need it, for example i cannot load a unit into a truck when the truck is in front of an LP. A game that is as fast paced as this, where a second decides if a crucial unit dies or not, trying for 3 seconds to click a unit is bad.
3.) Another thing that is more of an orc problem: The unit bar on the bottom of the screen shows scraped up orc units in more or less the same colour pattern. An overview like that should be eye catching. Instead I have to search for units. Why not simply add special symbols with unique colours to the unit bar. Upgraded units get a "+" below their unit symbol. Would make it mucccchhhhh easier to find special types of units.
4.) ONE OF THE MOST IMPORTANT. Make Hotkey positions not change anymore.
Just two of many examples: If I have Zappnoggins "Tower Recall" ability, Lootas recall on "Q". If I have "Tower Recall" + "Magnetz" and select 2 Lootas, I have the recall on "W", one Magnet on Q and the other Magnet on E (so I have seperate hotkeys for any unit). If I only have "Magnetz" as doctrine, it is on Q for all units.
Or another one: If i have "Betta Shout" + "Thumb from the Skies" for Boyz, and I select two Boyz that are unscrapped, shout is on "Q" and Thumb is on "W". If I select one scraped and one unscrapped unit of Boyz, Shout is on Q and Thumb is on E (cause scrap symbol is on W now lol).
Similar things for trucks and other units.