They (Epic) literally bought Bandcamp as fuel against their ongoing litigation vs Apple. They've outright admitted so [1]. This wasn't about Bandcamp being a 'good fit' or 'overstaffing'. This was because now that the litigation was over, they had no more use for the bludgeon they bought.

[1] https://arstechnica.com/gadgets/2022/04/epic-games-drags-ban...