Are you actually certain there are insufficient inverters though? Again, that doesn't pass the smell test and I'd want to see a cite for "batteries don't work for high frequency spike buffering because of inverter shortfalls" or something.

i'm certain there are more than enough inverters.

what's correct is that each individual inverter can only increase its power output momentarily to 20% or so above its maximum. Add more inverters and that problem is solved.