I don't think that is really their concern. Even if Oracle comes out on top in benchmarks they lose. "We're spending how much to get a x% performance increase?"

I don't think that is really their concern. Even if Oracle comes out on top in benchmarks they lose. "We're spending how much to get a x% performance increase?" Once numbers are attached a rational decision can be made come buying decision time. Oracle wants/needs that decision to be based on qualitative arguments, "our space unicorn is better than they're blue elephant."