scorekeeping の意味は？

Timeの2021 Person of the year（Elon Musk)の記事で、Musk is easily cast as
a hubristic supervillain, lumped in with the tech bros and spaceboys, for whom money is scorekeeping and rockets are the ultimate toy. という文章が有ります。このなかの scorekeeping はこの場合どういう意味になるでしょうか？