Somethin about tiktok just rubs me the wrong way to be honest with you. Not only is the whole data thing scary to some people but the content on the platform doesn't even seem all that great. I loved Vine when it first came out and tiktok just doesn't feel the same. Then again Vine's final days weren't great either since a lot of the popular people kinda sold out and basically just made advertisements for whoever
As far as the data goes tho, I'm sure almost all apps collect SOME data and it's snuck into the TOS somewhere, but it shouldn't be too harmful