Considering the recent crisis that's brewing between the two, it's a rational move for India to not let China get more intelligence data so easily.

From a humanitarian point of view, everyone in the world should uninstall these apps as they help collecting data for censorship in China [1].

Also, apart from being a spyware, TikTok is simply a dangerous app which brings much harm to society [2].

[1] - https://citizenlab.ca/2020/05/we-chat-they-watch/

[2] - https://nypost.com/2020/02/13/the-dumb-dangerous-challenges-....