I don’t have any knowledge about this in particular, but as someone with experience working at big tech companies, you’re missing the most likely reason:
Everyone who worked on it was reorged to higher priority teams, and nobody is left to maintain the apps
A lot of teams are only 3-6 developers, an engineering manager, a project manager, and a designer. Other roles like content design and QA are often shared across lots of teams. Developers with experience building native apps might be needed on other projects.
I don’t have any knowledge about this in particular, but as someone with experience working at big tech companies, you’re missing the most likely reason:
A lot of teams are only 3-6 developers, an engineering manager, a project manager, and a designer. Other roles like content design and QA are often shared across lots of teams. Developers with experience building native apps might be needed on other projects.