The distrust I had was also in part because it was rushed out the door and based upon Singapores's app, which used deprecated APIs. This, while Google and Apple were promising new fit-for-purpose and interworking APIs within a few weeks.

At the risk of getting political I would also say that this government has a track record of making big announcements, throwing some money to it's friends (donors, boosters) to do the work, not adequately spec'ing or managing the project, not caring if the expected outcomes are achieved and money was wasted, then blaming someone else should this become an issue in the media. This project seems to be just another example of that process.