Total War: Series don't surprise me, they advertise them like crazy on there and they are popular. They are DLC hogs, which I hate, if your a sucker well each to your own I guess, Slith turning the same way though with many of there game too, sadly, glad Matrix still good on that front.
Youth these days, complaining about DLC. In my youth we had to go all the way to town to buy DLC from computer store on CD or floppy disk. Oh fine, I got some DLC (on floppy disks) for Steel Panthers (original) through mail order: Cold Will (Winter War scenarios), Stalingrad Campaign, and 1 more (scenarios about SS Viking).
On more serious topic, video tells that the shortage of DLC for Total War: Three Kingdoms has led to early decline of the player base. If you want to buy the whole game with one payment, just wait until all the DLC has been made & done, and soon after it all comes available in one package and possibly with cheaper price than buying everything separately. I have done that with a number of games.
What comes to Matrix Games: Panzer Corps and SPWAW Mega Campaigns
You know what they say, don't you? About how us MechWarriors are the modern knights, how warfare has become civilized now that we have to abide by conventions and rules of war. Don't believe it. MekWars