This seems to be the standard for indie dev studios [0]. They have to work harder and smarter than the big guys because their resources are in such short supply and they can't survive having a game that flops.
[0] Just look at Edmund McMillen (The Binding of Isaac, Super Meat Boy), Eric Barone (Stardew valley), Cardboard Computer (Kentucky Route Zero), Scott Cawthon (Five Nights at Freddy), Extremely OK Games (TowerFall, Celeste) or The Fullbright Company (Gone Home) to mention a few.
[0] Just look at Edmund McMillen (The Binding of Isaac, Super Meat Boy), Eric Barone (Stardew valley), Cardboard Computer (Kentucky Route Zero), Scott Cawthon (Five Nights at Freddy), Extremely OK Games (TowerFall, Celeste) or The Fullbright Company (Gone Home) to mention a few.