Recently spoke to some high level riders (MotoAmerica, Moto3) and most of them say that what advantages the dangle does have are limited -- one comment I saw was "it really only matters if you're on lap record pace" and spoke about how it could help control some of the slide/chatter/etc at tip in by providing a counter balance until traction re-stabilized.
There's also the fact that one of the biggest wins of tank pinching (not sliding around as much) is mitigated by things like custom tanks and such which reduce that. e.g.
https://www.instagram.com/p/CB6lCkiHXRd/
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"most folks racing this bike get it in a competitive state of being with much less invested than you've already put in Saturn." -
Alex