Software obviously doesn't inherit the physical aspects involved with aerospace experimentation (e.g. Lockheed Martin Skunk Works). The limiting factor is typically only employee focus/time.
Then they get "acquired" back into another division of the conglomerate. Startup scratch itched, equity in pocket.
So the real outcome was retention. Though that's hard to measure.
Perhaps that's why I never heard of these things - it was an inhouse holiday resort.
Microsoft is trying with Lists (https://lists.live.com). They released the public preview a year ago, missing key features, and failed to release final version.
Amazon tried with Honeycode (https://www.honeycode.aws/). They are no longer trying to build a spreadsheet-like interface to database.
Google tried with Tables (https://tables.area120.google.com/). They were supposed to release GA in 2022, didn't happen.
AirTable remains the king of the hill.
Never heard of them.
Separately, isn't an inhouse incubator a clear sign of a conglomerate that has gotten too big and slow? Makes me think of old telecom companies and their love of inhouse incubators, so that they can show they also do that innovative dotcom thing.
Innovation needs to happen from within.