Yes.
No weight holes has all but nerfed pin down layouts on syms.
I also find that with thicker oils, fewer old lane surfaces and more volume, the need for bigger cores and stronger balls is greater than ever

There should still be a big enough market for symmetrical balls among senior citizens who throw it 2mph and have their track right up against the thumb hole.

That’s true too. We sell more rhinos and tropical than zeniths and physix. Would be curious to see what the actual sales numbers are

Considering most proshops keep the psa near the bowlers thumb when drilling asymmetric bowling balls its nothing like having the option to add a weight hole to move the psa out from the thumb to have the ball rev up sooner. 

It's marketing geared around selling more asymmetric balls.

Mo initially pushed asymmetric only bowling balls with Morich for "todays" conditions before eventually using one of Brunswicks symmetric cores for the "change" in the environment that required needing a symmetric core in the lineup.

With asymmetric bowling balls you do have the option to kick the psa out pre drilling to get that reaction you might want with adding a weight hole to a ball.  For both asymmetric and symmetric balls prior to no weight holes adding the weight hole was a great option for getting the ball to pick up sooner.   In most cases today I don't see a lot of proshops utilizing psa locations for ball reaction.  Anyone else see this locally or use this option yourself?

Symmetric bowling balls definitely aren't going away and its smart that most manufacturers keep around a high performance or upper mid symmetric option along with the usual symmetric options in the mid price point.