Sort of but not really, Discovery appears to be in response to DPL, NPL, SuperY and some other gaming circuits that have popped up with similar promises. What we are seeing is that there is a class of clubs/teams that are looking for high level play with more amenities ... better fields, medical at the field, showcases, more experienced referees, etc. CSL Premier checks most of those boxes, just without the Showcase.
Where SCDSL kicked and missed is the lack of game video as part of the division. If its was really a true Discovery division then every game would be filmed from 20'-25' in the air to allow the athletes and parents that are sold this "discovery" concept the opportunity to create recruiting videos and there would be no silly rules regarding outside vendors (assuming insurance was in place). Calling the division the "SCDSL Kinda-Sorta-Quasi-Discovery Division for College Coaches-With-Spooky-Extra-Sensory-Remote-Viewing-Abilities" wouldn't fit on the business cards, so "Discovery Division" is it.
The fundamental difference between CSL and SCDSL remains, which is SCDSL's more liberal player passing (both up and down, regardless of roster level), more liberal team placement with SCDSL allowing coaches to move teams up and down (Flight 3 to Flight 1) based on optimistic belief, in this case CSL is much more rigid, SCDSL is also more geographically concentrated.
I think where SCDSL really made an impact (you can decide if it was a good or bad impact) was allowing clubs to field as many teams per age group as they can fill. Coast has a maximum of 5 teams per age group. SCDSL does not have this.
So now you have "Mega Clubs" that could field their own gaming circuit.
(In Girls 2005 SCDSL - There are 14 versions of Slammers teams. 10 Pateadores teams. 9 teams with Surf in their name. )