Glad to see this project still going! Sadly I'm not a big fan of strategy games, so I can't comment much on a gameplay (how balanced it is, especially), but I enjoyed it! And I've got some feedback.
* It took me quite some time to understand that I can click on buildings/stuff on the main screen. I though it was a title screen, tried to press buttons, then I though:"Oh well, must be a cutscene"... And started waiting.
You should probably add some labels to important things or maybe indicate somehow that player can now choose one of many things.
* When creating new squad after battle it'll be good to see how much units I can pick. This + inability to choose more than 50 units will be nice. Choosing more than 50 and only then learning that I can't select this much was a bit disappointing.
Look at how most RPGs let you pick skill points, your system should work the same
* Stampede skill should show which enemies got crushed, it took me a while to understand that it actually crushed some
* Maybe the GUI should be at the bottom? At least it'll be cool to have it configurable to down/bottom. It's just easier for me to look down for info then up.
* Maybe total number of units left should be in bigger/bolder font with different backgrounds based on teams? Will be great to read this information easier
* The grass is too bright for me. A bit less saturation may make it easier for eyes and will make units stand out more. But maybe that's just me!
* In the main menu you NPCs don't move smoothly. Maybe it's an intended effect, but I think that smooth movement would look more pleasant.
* The game didn't set my desktop resolution which is 1080p. Maybe it's SFML problem?
* I installed it on Windows 10, but in Start Menu in "Pointless Wars" folder I only have "Uninstall" shortcut for some reason.
Now to the positives: the game feels and looks great! I love the humor. The game looks very professional, it's great how many things you've already implemented and how it just feels right.
P. S. Post it on Twitter and I'll retweet it, maybe more people will check it out! Don't forget to include the prettiest screenshot you have.
