That's not true of course. There are hundreds of such cases with varying outcomes [0][1][2]
[0] https://en.wikipedia.org/wiki/Facebook,_Inc._v._Power_Ventur....
[1] https://en.wikipedia.org/wiki/MDY_Industries,_LLC_v._Blizzar....
[2] https://en.wikipedia.org/wiki/EBay_v._Bidder%27s_Edge
Note that all those guys were gotten for breaking the law, not for breaking terms of service.
Note that all those guys were gotten for breaking the law, not for breaking terms of service.