Even if you choose not to use them their presence will still have an impact on the way the game is designed as well as decisions made by the developers.
It's the same as if a game balances its skill check DCs around save scumming because the developers expect or blindly assume that people will do it in order to get the result they want. Even if you choose not to indulge in the activity or feature the game still expects you to use it.
Ikr, but this is turn-based rpg, not another Dark Souls with plenty of shortcuts to open and enemy respawn. However we still can shortcut via jump. Game is not fully released, there may be a reason why those runes exist.
