It’s not a result of Google storage. Google served only for data analysis and batch jobs. These would not be sufficient enough to cause service degradation. Just a bad launch of a feature (via server side) that had unintended consequences.
As a former individual who understands the underlying systems, it seems like they botched deployment of a new feature causing issues and cannot figure out how to solve them.
Most of Twitter is and has been in maintenance mode since acquisition (think of 10 man engineering team and 1 left to handle maintenance).
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