There are a litany of articles taking about the exact lying you say they are not doing:

https://www.businessinsider.com/doge-savings-estimate-websit...

https://www.axios.com/2025/02/19/doge-musk-audit-mistake-sav...

https://www.cbsnews.com/amp/news/doge-wall-of-receipts-shows...

So yeah they are lying; whether intentionally or unintentionally. At this point I’m not sure what is worse.