tldr; it wraps Terraform providers poorly and can fail building proper infra diffs from time to time...

https://github.com/pulumi/pulumi-aws-native is nowhere near GA state, just scroll through the issues...

and the respective terraform wrapper https://github.com/pulumi/terraform-provider-aws is somewhat neglected in favour of the tf2pulumi native port above.

Crossplane, on the other hand, does better with the Terrajet codegen, and all the infra drifts are a part of the reconciliation cycle, which is very handy on simpler deployments but doesn't work with more complex ones due to excessive drift polling model.