Tik-Tok hasn't even wreaked 1/1000th the political havoc that Twitter and Facebook have. It's a platform for thots and abduls to share distateful videos, and the Chinese will be more than happy to put its content moderation completely in Indian hands just to enable to platform here. Twitter, on the other hand, will take our government to court (as it has), and actively disobey government orders (as it has).
The US has fully weaponized Twitter and Facebook against India, they're actively censoring and selectively-"fact-checking" content by BJP leaders; and their culpability in the recent "farmer" protests cannot be understated.
Ditto applies to Huawei vs. western firms. The west is in a better position to use intel snooped out of western networks out of India; than China is, out of Huawei.