https://en.wikipedia.org/wiki/Jim_Simons_(mathematician)#Pol...> Since 1990, Renaissance Technologies has contributed $59,081,152 to federal campaigns and since 2001, and has spent $3,730,000 on lobbying as of 2016.
Let's not kid ourselves, people at this level of wealth and power can very much make their voice heard by the people who make policy. He's definitely not the only one in this position, but to frame him as a "better casino player" who is "not really dictating anything" is naive at best.