You can create countless of fake Epic Store accounts if you really want to by using the E-Mail addresses of others. There is no way of the people knowing that their E-Mail address has been used for creating an Epic Store account.
https://www.sportskeeda.com/esports/epic-games-store-on-pc-might-have-a-small-security-breach
Those are basics for creating an account, but this process seems to be unknown for the people working at Epic.
Makes publishers going exclusive for such a store even worse….
Intel Core i7 8700K | 32 GB DDR 4 PC 3200 | ROG STRIX Z370-F Gaming | RTX 3090 FE| Crappy Monitor| HTC Vive Pro :3