Trustless in the sense that you don't need an intermediary or third party to process your transaction and hence don't need anyone to 'approve' your wish to transact.
Ie, you don't need to deal with all the annoying middle men being discussed in this thread as the 'trust' element of the transaction is placed upon a decentralised network as opposed to a specific body or platform.
The Brit did rightly point out that technically this tech is illegal in China (basically because they know it has been used to evade their capital controls for years) and thus sadly wouldn't work here for a professional transaction.
Just as a general rule, I would advise anyone wishing to wire money to another individual or entity to look into doing so via stable coins. Depending on circumstances it will often be cheaper, faster and less stressful than your other existing options.