Musk has been excessively clear the goal of Starlink is to allow SpaceX to self-fund a manned mars mission. You're welcome to downvote all you want, but this does not negate the fact Musk has directly said this (in several interviews). Many people tend to agree with him on this possibility:
https://www.cnbc.com/2019/05/15/musk-on-starlink-internet-sa...
https://www.space.com/spacex-starlink-internet-satellites-ma...