They only see the location of the user entering Tor, which is only really an issue if using Tor itself is illegal, or they also control the exit node you are us

They only see the location of the user entering Tor, which is only really an issue if using Tor itself is illegal, or they also control the exit node you are using. In the second case, it would be possible (though unlikely) for them to correlate the entry and exit through bandwidth and timing.