Then you are not doing it right. Be sure you enter the "~" (tilde) before "~/Library" otherwise you go to the system library, not the user library.
Here are the total uninstall instructions.
https://ttlc.intuit.com/questions/1901210-remove-uninstall-turbotax-for-mac
https://ttlc.intuit.com/questions/1901209-reinstall-turbotax-mac
**Disclaimer: This post is for discussion purposes only and is NOT tax advice. The author takes no responsibility for the accuracy of any information in this post.**
