^ Such series are meant to groom young talent (including Gill captaining the team) and serve as testing ground for selectors to pick players for where it matters (i.e, WCs), this same team unlikely to be sent against big teams obviously.
There are a lot of young players on the Indian team, including captain Shubman. No doubt, this series aims to give them more international exposure and experience, helping them grow in maturity. But is it too early to give such responsibility to a player like Shubman? Regardless the current stage, the team needs to firmly believe they can beat any team in the world. Their mentality should be strong; otherwise, they might face more embarrassing moments.