Same as it was. Same as it always will be. Tennis doesn't have to reinvent itself to be great. It is great. We do not need fireworks at changeovers to be exciting.
Tennis is long rallies, touch volleys, and lunging overheads.
Round robins and public courts. And that is more, much more than enough. Mac has it. If some guy in row 123 was eating potato chips while Mac prepared to serve, Mac would hear him. And could tell you where the guy was sitting.