They're already very common at pokestops so theres really no point of overflowing our inventory with even more which will likely get deleted anyway. Instead, award a reasonable amount of stardust (2000 is fine). The stardust would make it easier to make our attackers even stronger for Raid Bosses. Stardust as a reward would be more useful than more revives imo.
Edit: I think Hyper Potions and Max Potions would also be a lot better than revives.
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