Here is my longer-form summary of the book.

The US government required telecom operators and equipment providers to create workarounds in the backend that governments may use to “spy” on users - for security purposes. This was long before China developed any interest in or capacity to spy on its citizens seriously. The Chinese government has provided extensive support to Huawei throughout its history. Helping to provide access to funding. Providing diplomatic cover whenever the company ran into trouble, There is indebtedness! A former Chinese spy even worked in Huawei’s leadership for a long time.