Is the argument "Typescript should be improved" or "We should allocate enough time/money from other things to improve Typescript"?

The former is vacuously true once you know it is an option. Everything would be better if it could be improved.

The latter is subject to questions about cost. If Typescript had best in its class docs, that would imply that other communities had failed to find or execute a practical option to turn time/money into docs improvements. That would be moderately persuasive evidence that Typescript's resources are better spent elsewhere.

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On an object level: Django and the python community tend to have great docs.

It could also be about refocusing within the Typescript project.