Since they are ramping up to build switchblades in Ukraine [1], I would say they are a quiet success. They were just extremely overhyped before they got there.
The 600 is significantly better than the 300 (which was provided in higher numbers).
Odds are there will be local adjustments made - different, more robust radio link and such to replace the fucking shit one that originally came with the switchblade.
[1] https://kyivindependent.com/us-company-aerovironment-plans-t...